#577E8A#577E8A

#577E8A is a mid, muted cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.047 H 219.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#577E8A
RGB	rgb(87, 126, 138)
HSL	hsl(194, 23%, 44%)
HSV	hsv(194, 37%, 54%)
CMYK	cmyk(37%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(50.43, -10.40, -10.84)
CIE-LCH	lch(50.43, 15.02, 226.20°)
OKLab	oklab(56.86% -0.0367 -0.0297)
OKLCH	oklch(56.86% 0.047 219)
XYZ	xyz(15.9772, 18.7820, 26.8232)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E8A #8A6357

analogous

#578A7D #577E8A #57658A

triadic

#577E8A #8A577E #7E8A57

tetradic

#577E8A #7D578A #8A6357 #658A57

square

#577E8A #7D578A #8A6357 #658A57

split-complementary

#577E8A #8A5765 #8A7D57

monochromatic

#28393F #3F5C64 #577E8A #769DA8 #9BB7C0

Accessibility & contrast

On white

4.41

#577E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#577E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E8A

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E8A	#FFFFFF	#000000	##000000
##577E8A	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767C8B

Deuteranopia (green-blind)

#6E758A

Tritanopia (blue-blind)

#448282

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577e8a;
/* rgb */ color: rgb(87, 126, 138);
/* oklch */ color: oklch(56.9% 0.047 219.0);

Tailwind

colors: {
  custom: {
    50: '#88a3ac',
    500: '#577e8a',
    950: '#000000',
  },
}

SCSS

$custom: #577e8a;
$custom-light: #88a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#577e8a",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 194.118,
    "s": 22.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56862,
    "c": 0.04723,
    "h": 219
  },
  "luminance": 0.18783
}

Semantic roles & 50–950 ramp

primary

#577E8A

secondary

#AE968F

accent

#7D69BF

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577E8A

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

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