#577779

Accessibility

4.86:1

Vs white / black

4.86:1 · 4.32:1

Sources

Library color

Codes

Formats

HEX

#577779

RGB

rgb(87, 119, 121)

RGBA

rgba(87, 119, 121, 1)

HSL

hsl(184, 16%, 41%)

HSLA

hsla(184, 16%, 41%, 1)

HSV

hsv(184, 28%, 47%)

LAB

lab(47.75% -10.88 -4.81)

LCH

lch(47.75% 11.9 203.85)

OKLAB

oklab(0.5455 -0.0343 -0.0131)

OKLCH

oklch(0.5455 0.0367 200.9)

XYZ

xyz(13.98, 16.60, 20.55)

CMYK

cmyk(28%, 2%, 0%, 53%)

CSS

color: #577779;

CSS variable

--color-577779: #577779;

SCSS

$color-577779: #577779;

JavaScript

const color = "#577779";

TypeScript

const color: string = "#577779";

React

style={{ backgroundColor: "#577779" }}

JSON

{ "hex": "#577779", "rgb": { "r": 87, "g": 119, "b": 121 }, "oklch": "oklch(0.5455 0.0367 200.9)" }

Export

Developer code

css

:root {
  --#577779-1: #577779;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

cyan-700

Very different · ΔE 11.09 · #0E7490

Nearest CSS named color

Teal

Very different · ΔE 10.7 · #008080

Nearest Material color

blue-grey-600

Very different · ΔE 6.8 · #546E7A

Nearest Bootstrap color

secondary

Very different · ΔE 9.96 · #6C757D

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50e5fafb 100d6edee 200c0dadc 300a6c4c6 40087a9ab 5006d8d8f 6005a7678 700475e60 800344849 900233233 9500f1d1e

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f1f4f4 e3e8e9 d5ddde c7d2d2 b9c6c7 abbbbc 9db0b1 8fa4a6 81999b 738e8f 658284 577779 506d6f 496365 41595b 3a4f51 334547 2c3c3d 243232 1d2828 161e1e 0e1414 070a0a

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f1f4f4 e3e8e9 d5ddde c7d2d2 b9c6c7 abbbbc 9db0b1 8fa4a6 81999b 738e8f 658284

Palette

Shades

Mixed toward black — depth, text, and emphasis

506d6f 496365 41595b 3a4f51 334547 2c3c3d 243232 1d2828 161e1e 0e1414 070a0a

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

5a787a 5e797a 61797b 657a7b 687b7c 6c7c7d 6f7c7d 727d7e 767e7e 797f7f 7d7f7f

Harmony

Complementary

Opposite on the color wheel for contrast

#577779Stop 1 #795A58Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#58796BStop 1 #577779Stop 2 #586679Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#577779Stop 1 #795877Stop 2 #777958Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#577779Stop 1 #795866Stop 2 #796B58Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2B3A3BStop 1 #4B6668Stop 2 #6B9194Stop 3 #97B2B4Stop 4 #C4D3D4Stop 5

Using this color

Where #577779 works

#577779 (#577779) sits in the cyan family at about 184° hue, 16% saturation, and 41% lightness. Contrast is 4.86:1 on white and 4.32:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: cyan-700 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #577779 is 4.32:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Freshness, clarity, and innovation. Great for tech accents and clean digital products. Common uses still include buttons, charts, and accents in the Cyan range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Spectrum #3B7781#3B7781 Material Blue Grey 600#546E7A Material Blue Grey 500#607D8B Spectrum #378186#378186 American River#636E72 Spectrum #227981#227981 Spectrum #3A7871#3A7871 Spectrum #276E7C#276E7C Spectrum #2E686B#2E686B Web Safe #336666#336666 Spectrum #2A6F6E#2A6F6E Spectrum #337A94#337A94