#57666F#57666F

#57666F is a mid, muted cyan. Relative luminance 0.127; OKLCH L 50.1% C 0.023 H 234.3°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#57666F
RGB	rgb(87, 102, 111)
HSL	hsl(203, 12%, 39%)
HSV	hsv(203, 22%, 44%)
CMYK	cmyk(21.6%, 8.1%, 0%, 56.5%)
CIE-LAB	lab(42.27, -3.51, -6.96)
CIE-LCH	lch(42.27, 7.80, 243.23°)
OKLab	oklab(50.1% -0.0136 -0.0189)
OKLCH	oklch(50.1% 0.023 234.3)
XYZ	xyz(11.5503, 12.6763, 16.8741)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57666F #6F6057

analogous

#576F6C #57666F #575A6F

triadic

#57666F #6F5766 #666F57

tetradic

#57666F #6C576F #6F6057 #5A6F57

square

#57666F #6C576F #6F6057 #5A6F57

split-complementary

#57666F #6F575A #6F6C57

monochromatic

#21272A #3C464D #57666F #728591 #95A3AC

Accessibility & contrast

On white

5.94

#57666F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#57666F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57666F

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57666F	#FFFFFF	#000000	##FFFFFF
##57666F	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62656F

Deuteranopia (green-blind)

#5E636F

Tritanopia (blue-blind)

#506869

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #57666f;
/* rgb */ color: rgb(87, 102, 111);
/* oklch */ color: oklch(50.1% 0.023 234.3);

Tailwind

colors: {
  custom: {
    50: '#869198',
    500: '#57666f',
    950: '#000000',
  },
}

SCSS

$custom: #57666f;
$custom-light: #869198;
$custom-dark: #000000;

JSON

{
  "hex": "#57666f",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 111
  },
  "hsl": {
    "h": 202.5,
    "s": 12.121,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50095,
    "c": 0.02326,
    "h": 234.3
  },
  "luminance": 0.12677
}

Semantic roles & 50–950 ramp

primary

#57666F

secondary

#9A8F88

accent

#8C73B5

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0D

muted

#7C7D7E

Preview Lab

Preview with #57666F

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

Preview Lab → · Contrast checker → · Palette generator →