Closest web-safe match: #660099

Color Details and Palettes for #640A9E

Details about the color Wild Violet#640A9E

Conversions, palettes, contrast & design ideas for this color.

Purple family Cool WCAG ink: white
HEX #640A9E RGB rgb(100, 10, 158) HSL hsl(276, 88%, 33%) CMYK cmyk(37%, 94%, 0%, 38%)

Color profile

About Color Hex #640A9E

#640A9E is a cool color from the Purple family, closest in name to “Wild Violet”. In RGB it is rgb(100, 10, 158); in HSL, hsl(276, 88%, 33%).

The color Wild Violet, with hexadecimal code #640a9e, lands in the purple family, historically reserved for royalty due to the extreme cost of Tyrian dye. Purple activates imagination and spiritual contemplation, blending red's passion with blue's serenity. Additionally, it evokes emotions such as Luxury, Royalty, Spirituality, Imagination and Wisdom. Purple is often linked to creativity, luxury, and spirituality. In Western cultures, it is also associated with ambition and wealth. Indigo and violet have long signified royalty and nobility. With a high saturation of 88%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. Its low lightness of 33% 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.

Key facts

RGB 100, 10, 158 red · green · blue HSL 276° 88% 33% hue · sat · light HSV 276° 94% 62% design-app pickers CMYK 37 94 0 38 print inks, % Luminance 0.054 0 dark → 1 light On black 2.08:1 ✕ AA contrast ratio On white 10.10:1 ✓ AA contrast ratio Web-safe #660099 closest web-safe Best text white ideal foreground Character Vivid cool · purple family

The story of this color

History, Usage, Psychology & Design Ideas for #640A9E

Wild Violet (#640A9E) belongs to the Purple 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

Tyrian purple—derived from the mucus of Murex sea snails—required 12,000 snails to produce just 1.5 grams of dye, making it the most expensive substance in the ancient world. Roman emperors decreed it exclusive to royalty, and Byzantine empresses gave birth in a porphyry-lined chamber so children could be 'born in the purple.' This legacy of exclusivity persists: purple remains shorthand for luxury and prestige.

Design & Usage Tips

Purple excels in beauty, wellness, and premium lifestyle branding. Lighter purples (lavender, lilac) suit self-care and floral products, while saturated purples project confidence and creativity. Pair purple with mint green for a fresh contrast, or with charcoal for understated elegance.

Sitting on the cool side of the spectrum (hue 276°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 88% 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

Purple activates imagination and spiritual contemplation. It blends red's passion with blue's calm, creating a sense of creative tension. In marketing, purple appeals to audiences seeking uniqueness, quality, and a touch of the mystical.

Its low lightness of 33% 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 deep purple backgrounds with metallic gold or rose-gold typography for luxury brand identities. Create purple-to-pink gradients for creative agency hero sections. In app design, purple primary buttons with white text feel premium and distinctive against light backgrounds.

Every format

#640A9E Color Conversions

Every way to write Wild Violet — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#640A9E

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(100, 10, 158)

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(276, 88%, 33%)

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(276, 94%, 62%)

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(276 4% 38%)

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(37%, 94%, 0%, 38%)

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(40.53% 0.204 304.94)

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

OKLab Modern
oklab(40.53% 0.117 -0.167)

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: 27.83, a: 58.62, b: -58.47

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

LCH Perceptual
L: 27.83, C: 82.80, H: 315.07

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

XYZ CIE Science
X: 11.54, Y: 5.40, Z: 32.78

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
6556318

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

Channel breakdown

RGB Color Percentages for #640A9E

How much red, green and blue light mixes into Wild Violet.

Red 100/255 37.3% Green 10/255 3.7% Blue 158/255 59.0%

Percentages show each channel's share of the total light (R + G + B) in Wild Violet.

Ink coverage

CMYK Ink Levels & Print Guide for #640A9E

Ink needed to reproduce Wild Violet in four-color print. Heaviest ink: Magenta.

37% CYAN 94% MAGENTA 0% YELLOW 38% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #640A9E

How bright Wild Violet is, and how far black and white text clear each WCAG bar.

Relative luminance 0.054
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 2.08:1 ✕ AA ✕ AAA ✕ Large
Aa White text 10.10:1 ✓ AA ✓ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #640A9E

Copy-and-paste CSS for Wild Violet — per-line copy, or grab the whole block.

wild-violet.css
background-color: #640A9E;
color: #640A9E;
border: 2px solid #640A9E;
background-color: rgb(100, 10, 158);
background-color: hsl(276, 88%, 33%);
--color: #640A9E;

Shades · light to dark

#640A9E Monochrome Palette

Lighter and darker steps of Wild Violet — the color's full brightness range in one strip.

#F0E6F5
#D8C2E7
#C19DD8
#AA78CA
#9354BB
#7B2FAD
#640A9E
#550986
#46076F
#370657
#28043F
#190328
#0A0110

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#640A9E Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#640A9E
#459E0A

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#640A9E Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#640A9E
#9E0A8F
#190A9E
#9E0A45
#0A459E
#9E190A
#0A8F9E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#640A9E Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#640A9E
#9E630A
#0A9E63

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#640A9E Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#640A9E
#9E190A
#459E0A
#0A8F9E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #640A9E

How Wild Violet reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#640A9E
#424972
#3D3C7A
#5F5E58
#282828
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #640A9E

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#459E0A
#9E0A8F
#9E630A
#9E190A
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#640A9E Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Fuchsia Nebula#7722AA
Indigo#550088
Pleasant Purple#8833BB
Indigo#440077
Wild Violet#6600AA
Wild Violet#661199
Ultraberry#770088
Sapphire Splendour#3322AA

From the color-name library

Colors Similar to #640A9E

The closest named colors to #640A9E — same mood, each with its own character.

Wild Violet#63209B
Intergalactic Settlement#5B1E8B
Extraviolet#661188
Queens of the Dead#652793
Sapphire Siren#662288
Fuchsia Nebula#7722AA
Orb of Discord#772299
Occult#4B1E87
Space Battle Blue#440099
Lucid Dreams#632F92
Indigo Static#4B0183
Indigo#4B0082

Looking for more Purple shades? Browse Purple colors →

Inspiration

Explore Vibrant Images Featuring Wild Violet (#640a9e)

Curated Unsplash photos that carry the mood of Wild Violet — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #640A9E

#640A9E is a cool color from the Purple family. Its closest matched name is “Wild Violet”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(100, 10, 158); in HSL, hsl(276, 88%, 33%).
In RGB, #640A9E is rgb(100, 10, 158); in HSL it is hsl(276, 88%, 33%); and in CMYK — the model used for print — it is cmyk(37%, 94%, 0%, 38%).
#640A9E has a contrast ratio of 2.08:1 against black and 10.10:1 against white. For readability, white body text meets the WCAG AA threshold of 4.5:1 on it, while black does not.
The direct complement of #640A9E is #459E0A (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #640A9E in the palette sections above.