Color Details and Palettes for #310D87

Details about the color Indiglow

Closest web-safe match: #330099

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About Color Hex #310d87

The color Indiglow, with hexadecimal code #310d87, belongs to the blue color family, the world's most universally preferred hue. Blue projects trust, stability, and intellectual calm, which is why it dominates corporate, financial, and technology branding worldwide. Additionally, it evokes emotions such as Luxury, Royalty, Spirituality, Imagination and Wisdom. Blue signifies tranquility and stability. In Middle Eastern cultures, it can also represent protection against the evil eye, while in Western cultures, it symbolizes calmness and reliability. With a high saturation of 82%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. Its low lightness of 29% produces a deep, rich appearance—conveying gravity and luxury, particularly effective in dark-mode designs and premium packaging. This color is ideal for designs that aim to express Luxury, Royalty, Spirituality, Imagination, or Wisdom. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Indiglow are (49, 13, 135), providing a combination of red: 49, green: 13, and blue: 135. In HSL format, it has a hue of 258.00°, saturation of 82.00%, and lightness of 29.00%.

The HSV representation includes a hue of 258.00°, saturation of 90.00%, and value of 53.00%. Its CMYK composition is cyan: 64.00%, magenta: 90.00%, yellow: 0.00%, and black: 47.00%.

The calculated luminance of #310d87 is 0.027, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #330099. Its contrast ratio is 1.54:1 against black and 13.65:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #310d87 reads as cool. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #310d87 is white.

Considering its saturation and lightness, #310d87 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #310D87

Indiglow (#310D87) belongs to the Indigo color family.

This deep, saturated shade conveys authority and richness. Deep tones are favored in luxury packaging, evening-event branding, and dark-mode interfaces where they provide dramatic contrast against lighter elements.

Historical Background

Indigo dye—extracted from Indigofera plants—has been used for over 6,000 years, with the oldest known samples found in Peru. It was the foundation of the blue-dye trade across India, West Africa, and the Americas, and its economic importance rivaled that of spices. Levi Strauss chose indigo-dyed denim for the first blue jeans in 1873, cementing indigo's place in everyday fashion worldwide.

Design & Usage Tips

Indigo occupies the territory between blue and purple, lending depth without purple's flamboyance. It is excellent for evening-event branding, high-end fashion, and editorial design. Pair indigo with soft gold or warm white for a sophisticated contrast, or with coral for a contemporary editorial palette.

Sitting on the cool side of the spectrum (hue 258°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 82% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

Psychological Impact

Indigo conveys depth, wisdom, and introspection. It carries the trustworthiness of blue with a hint of purple's creativity, appealing to brands that want to appear both reliable and imaginative—think higher education, think-tanks, and creative consultancies.

Its low lightness of 29% gives it a deep, intense presence. Deep tones like this excel as dark-mode backgrounds, header bars, and anywhere a sense of gravity or luxury is desired.

Creative Design Ideas

Use indigo as a full-page background with centered white text for impactful statement pages. Combine indigo with copper accents for a rich, modern luxury feel in packaging. In web design, indigo sidebar navigation with white icons creates a polished, app-like interface.

#310D87 Color Conversions

Every way to write Indiglow — copy Indiglow as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#310D87

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(49, 13, 135)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(258, 82%, 29%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(258, 90%, 53%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(258 5% 47%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(64%, 90%, 0%, 47%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(32.14% 0.176 283.73)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(32.14% 0.042 -0.171)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 18.76, a: 46.85, b: -59.42

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 18.76, C: 75.67, H: 308.25

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 5.78, Y: 2.69, Z: 23.14

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
3214727

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #310d87

RGB Color Percentages for Indiglow (HEX Code: #310d87) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Blue, making up 68.53% of the total composition. The complete breakdown of RGB contributions is:

Red:
24.87%
Green:
6.6%
Blue:
68.53%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Indiglow.

CMYK Ink Levels & Print Guide for #310d87

CMYK Ink Levels for Indiglow (HEX Code: #310d87) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Indiglow prominently features Magenta, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 63.7%, Magenta: 90.37%, Yellow: 0%, and Black: 47.06%.

Luminance & Contrast for #310D87

Relative luminance gauges how bright Indiglow is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.027
0 · dark1 · light
Aa
Black text 1.54:1
AA AAA Large
Aa
White text 13.65:1
AA AAA Large

Quick CSS Snippets for #310D87

Copy-and-paste CSS for Indiglow — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #310D87;
Text color: #310D87;
Border border: 2px solid #310D87;
RGB background-color: rgb(49, 13, 135);
HSL background-color: hsl(258, 82%, 29%);
Variable --color: #310D87;

#310d87 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#eae7f3
#ccc3e1
#ad9ecf
#8e7abd
#6f56ab
#503199
#310d87 Original
#2a0b73
#22095f
#1b074a
#140536
#0c0322
#05010e

#310d87 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#310d87 Original
#62870d

#310d87 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#310d87 Original
#6e0d87
#0d2687
#870d62
#0d6287
#870d26
#0d876e

#310d87 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#310d87 Original
#87320d
#0d8732

#310d87 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#310d87 Original
#870d26
#62870d
#0d876e

Color Blindness Simulation for #310d87

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Indiglow (#310d87) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Friendly

Protanopia (Red Weakness)

Friendly

Tritanopia (Blue-Yellow Weakness)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #310d87

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#310D87 Nearby Colors

A handful of colors just a step away from #310D87 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#442299 Gentian Blue
#220077 Child of the Night
#5533aa Royalty
#000066 Alone in the Dark
#330099 Dramatic Blue
#331177 Galactic Federation
#550077 Velvet Vortex
#002299 Space Dust

Colors Similar to #310d87

These colors are close neighbours of #310D87 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Blue tone.

#320d87 Indiglow
#310e87 Indiglow
#310d88 Nightly Expedition
#300d87 Nightly Expedition
#310c87 Nightly Expedition
#310d86 Indiglow
#420d87 Indigo Static
#311e87 Indiglow
#310d98 Dramatic Blue
#200d87 Nightly Expedition
#310087 Orbital Kingdom
#310d76 Galactic Federation

Looking for more Blue shades? Browse Blue colors →

Explore Vibrant Images Featuring Indiglow (#310d87)

Discover a vibrant gallery of images that not only showcase the captivating hue of Indiglow, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.