Closest web-safe match: #3399CC

Color Details and Palettes for #368FB5

Details about the color Swimmer#368FB5

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

Azure family Cool WCAG ink: white
HEX #368FB5 RGB rgb(54, 143, 181) HSL hsl(198, 54%, 46%) CMYK cmyk(70%, 21%, 0%, 29%)

Color profile

About Color Hex #368FB5

#368FB5 is a cool color from the Azure family, closest in name to “Swimmer”. In RGB it is rgb(54, 143, 181); in HSL, hsl(198, 54%, 46%).

The color Swimmer, with hexadecimal code #368fb5, 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 Trust, Peace, Loyalty, Integrity and Tranquility. 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. At 54% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 46%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Trust, Peace, Loyalty, Integrity, or Tranquility. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 54, 143, 181 red · green · blue HSL 198° 54% 46% hue · sat · light HSV 198° 70% 71% design-app pickers CMYK 70 21 0 29 print inks, % Luminance 0.238 0 dark → 1 light On black 5.75:1 ✓ AA contrast ratio On white 3.65:1 ✕ AA contrast ratio Web-safe #3399CC closest web-safe Best text black ideal foreground Character Vivid cool · azure family

The story of this color

History, Usage, Psychology & Design Ideas for #368FB5

Swimmer (#368FB5) belongs to the Azure color family.

With moderate saturation and balanced lightness, this muted tone feels sophisticated and understated. Muted hues like this excel in editorial design, professional portfolios, and interior spaces that seek calm refinement.

Historical Background

Azure derives from the Arabic lazaward, referring to the lapis lazuli stone that yielded ultramarine pigment—once more costly per ounce than gold. Medieval European painters reserved ultramarine for the most sacred subjects, particularly the Virgin Mary's robes. The word azure also entered heraldry as the term for blue fields on coats of arms, symbolizing loyalty and truth.

Design & Usage Tips

Azure strikes a balance between the brightness of cyan and the depth of blue, making it a versatile choice for technology, aviation, and financial brands (Microsoft Azure is a prominent example). Pair azure with white for authority and clarity, or with light gold for a regal combination.

Sitting on the cool side of the spectrum (hue 198°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 54% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Azure evokes trust, aspiration, and openness—like a clear sky. It feels less corporate than navy and more refined than bright blue, hitting a sweet spot for brands that want to appear both professional and approachable.

With a mid-range lightness of 46%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Use azure as the primary brand color with charcoal text for a clean SaaS identity. Create split-screen layouts with an azure panel on one side and white on the other for impactful above-the-fold sections. In icon design, azure provides excellent visibility against both light and dark backgrounds.

Every format

#368FB5 Color Conversions

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

12 formats
HEX Web
#368FB5

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(54, 143, 181)

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(198, 54%, 46%)

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(198, 70%, 71%)

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(198 21% 29%)

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(70%, 21%, 0%, 29%)

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(61.35% 0.101 230.03)

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

OKLab Modern
oklab(61.35% -0.065 -0.077)

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: 55.85, a: -13.89, b: -27.55

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

LCH Perceptual
L: 55.85, C: 30.85, H: 243.25

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

XYZ CIE Science
X: 19.68, Y: 23.77, Z: 47.27

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
3575733

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 #368FB5

How much red, green and blue light mixes into Swimmer.

Red 54/255 14.3% Green 143/255 37.8% Blue 181/255 47.9%

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

Ink coverage

CMYK Ink Levels & Print Guide for #368FB5

Ink needed to reproduce Swimmer in four-color print. Heaviest ink: Cyan.

70% CYAN 21% MAGENTA 0% YELLOW 29% 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 #368FB5

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

Relative luminance 0.238
0 · dark1 · light

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

Aa Black text 5.75:1 ✓ AA ✕ AAA ✓ Large
Aa White text 3.65:1 ✕ AA ✕ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #368FB5

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

swimmer.css
background-color: #368FB5;
color: #368FB5;
border: 2px solid #368FB5;
background-color: rgb(54, 143, 181);
background-color: hsl(198, 54%, 46%);
--color: #368FB5;

Shades · light to dark

#368FB5 Monochrome Palette

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

#EBF4F8
#CDE3ED
#AFD2E1
#90C1D6
#72B1CB
#54A0C0
#368FB5
#2E7A9A
#26647F
#1E4F64
#163948
#0E242D
#050E12

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

Harmony · 180° apart

#368FB5 Complementary Palette

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

#368FB5
#B55C36

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

Harmony · adjacent hues

#368FB5 Analogic Palette

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

#368FB5
#364FB5
#36B59B
#5C36B5
#36B55C
#9B36B5
#4FB536

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

Harmony · 120° apart

#368FB5 Triadic Palette

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

#368FB5
#B5368F
#8FB536

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

Harmony · 90° apart

#368FB5 Quad Palette

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

#368FB5
#9B36B5
#B55C36
#4FB536

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

Accessibility

Color Blindness Simulation for #368FB5

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

#368FB5
#5751AA
#5D5DAC
#3AA5A3
#7F7F7F
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✓ 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 #368FB5

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

#B55C36
#364FB5
#B5368F
#9B36B5
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#368FB5 Nearby Colors

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

Blue Burst#4499CC
Corfu Waters#2288AA
High Blue#55AADD
Pristine Seas#007799
Blue Ocean#0099BB
Underwater Moonlight#5588AA
Warm Spring#4488BB
Rainy Mood#2299AA

From the color-name library

Colors Similar to #368FB5

The closest named colors to #368FB5 — same mood, each with its own character.

Swimmer#0A91BF
Underwater Moonlight#4488AA
Corfu Waters#008AAD
Mediterranean Sea#1E8CAB
Mermaid Dreams#0088BB
Enchanted Well#3994AF
Forget-Me-Not#0087BD
Blue Ocean#009DC4
Blue Burst#309CD0
Munsell Blue#0093AF
Blue Moon#3992A8
Treasure Map Waters#658FAA

Looking for more Blue shades? Browse Blue colors →

Inspiration

Explore Vibrant Images Featuring Swimmer (#368fb5)

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

Good to know

Frequently Asked Questions about #368FB5

#368FB5 is a cool color from the Azure family. Its closest matched name is “Swimmer”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(54, 143, 181); in HSL, hsl(198, 54%, 46%).
In RGB, #368FB5 is rgb(54, 143, 181); in HSL it is hsl(198, 54%, 46%); and in CMYK — the model used for print — it is cmyk(70%, 21%, 0%, 29%).
#368FB5 has a contrast ratio of 5.75:1 against black and 3.65:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #368FB5 is #B55C36 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #368FB5 in the palette sections above.