#577A82#577A82

#577A82 is a mid, muted cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.041 H 213.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577A82
RGB	rgb(87, 122, 130)
HSL	hsl(191, 20%, 43%)
HSV	hsv(191, 33%, 51%)
CMYK	cmyk(33.1%, 6.2%, 0%, 49%)
CIE-LAB	lab(48.95, -10.26, -8.35)
CIE-LCH	lch(48.95, 13.23, 219.13°)
OKLab	oklab(55.6% -0.0346 -0.0228)
OKLCH	oklch(55.6% 0.041 213.4)
XYZ	xyz(14.9180, 17.5562, 23.7174)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A82 #825F57

analogous

#578275 #577A82 #576482

triadic

#577A82 #82577A #7A8257

tetradic

#577A82 #755782 #825F57 #648257

square

#577A82 #755782 #825F57 #648257

split-complementary

#577A82 #825764 #827557

monochromatic

#263539 #3E585D #577A82 #749AA2 #99B4BB

Accessibility & contrast

On white

4.65

#577A82 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#577A82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A82

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A82	#FFFFFF	#000000	##FFFFFF
##577A82	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747783

Deuteranopia (green-blind)

#6D7282

Tritanopia (blue-blind)

#487D7C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577a82;
/* rgb */ color: rgb(87, 122, 130);
/* oklch */ color: oklch(55.6% 0.041 213.4);

Tailwind

colors: {
  custom: {
    50: '#88a0a6',
    500: '#577a82',
    950: '#000000',
  },
}

SCSS

$custom: #577a82;
$custom-light: #88a0a6;
$custom-dark: #000000;

JSON

{
  "hex": "#577a82",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 130
  },
  "hsl": {
    "h": 191.163,
    "s": 19.816,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55598,
    "c": 0.04145,
    "h": 213.4
  },
  "luminance": 0.17557
}

Semantic roles & 50–950 ramp

primary

#577A82

secondary

#A8928C

accent

#7A6BBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577A82

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

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