#577381#577381

#577381 is a mid, muted cyan. Relative luminance 0.159; OKLCH L 53.9% C 0.039 H 230.0°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#577381
RGB	rgb(87, 115, 129)
HSL	hsl(200, 19%, 42%)
HSV	hsv(200, 33%, 51%)
CMYK	cmyk(32.6%, 10.9%, 0%, 49.4%)
CIE-LAB	lab(46.81, -6.52, -10.98)
CIE-LCH	lch(46.81, 12.77, 239.31°)
OKLab	oklab(53.88% -0.0252 -0.03)
OKLCH	oklch(53.88% 0.039 230)
XYZ	xyz(14.0224, 15.8720, 23.0894)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577381 #816557

analogous

#57817A #577381 #575E81

triadic

#577381 #815773 #738157

tetradic

#577381 #7A5781 #816557 #5E8157

square

#577381 #7A5781 #816557 #5E8157

split-complementary

#577381 #81575E #817A57

monochromatic

#263238 #3E525C #577381 #7492A1 #99AFBA

Accessibility & contrast

On white

5.03

#577381 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#577381 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577381

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577381	#FFFFFF	#000000	##FFFFFF
##577381	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7282

Deuteranopia (green-blind)

#666D81

Tritanopia (blue-blind)

#497777

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #577381;
/* rgb */ color: rgb(87, 115, 129);
/* oklch */ color: oklch(53.9% 0.039 230.0);

Tailwind

colors: {
  custom: {
    50: '#879ba5',
    500: '#577381',
    950: '#000000',
  },
}

SCSS

$custom: #577381;
$custom-light: #879ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#577381",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 129
  },
  "hsl": {
    "h": 200,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.53884,
    "c": 0.03922,
    "h": 230
  },
  "luminance": 0.15873
}

Semantic roles & 50–950 ramp

primary

#577381

secondary

#A8958C

accent

#876CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577381

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

Preview Lab → · Contrast checker → · Palette generator →