#577E88#577E88

#577E88 is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.046 H 215.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577E88
RGB	rgb(87, 126, 136)
HSL	hsl(192, 22%, 44%)
HSV	hsv(192, 36%, 53%)
CMYK	cmyk(36%, 7.4%, 0%, 46.7%)
CIE-LAB	lab(50.36, -10.93, -9.77)
CIE-LCH	lch(50.36, 14.66, 221.78°)
OKLab	oklab(56.79% -0.0375 -0.0267)
OKLCH	oklch(56.79% 0.046 215.5)
XYZ	xyz(15.8338, 18.7246, 26.0677)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E88 #886157

analogous

#578879 #577E88 #576588

triadic

#577E88 #88577E #7E8857

tetradic

#577E88 #795788 #886157 #658857

square

#577E88 #795788 #886157 #658857

split-complementary

#577E88 #885765 #887957

monochromatic

#27393D #3F5B63 #577E88 #759DA7 #9BB7BF

Accessibility & contrast

On white

4.43

#577E88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#577E88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E88

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E88	#FFFFFF	#000000	##000000
##577E88	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777B89

Deuteranopia (green-blind)

#6F7588

Tritanopia (blue-blind)

#458281

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577e88;
/* rgb */ color: rgb(87, 126, 136);
/* oklch */ color: oklch(56.8% 0.046 215.5);

Tailwind

colors: {
  custom: {
    50: '#88a3aa',
    500: '#577e88',
    950: '#000000',
  },
}

SCSS

$custom: #577e88;
$custom-light: #88a3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577e88",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 136
  },
  "hsl": {
    "h": 192.245,
    "s": 21.973,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56786,
    "c": 0.0461,
    "h": 215.5
  },
  "luminance": 0.18726
}

Semantic roles & 50–950 ramp

primary

#577E88

secondary

#AC958E

accent

#7B69BE

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577E88

Body copy rendered with the generated semantic roles for this colour.

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