#57636D#57636D

#57636D is a mid, muted cyan. Relative luminance 0.121; OKLCH L 49.3% C 0.022 H 243.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#57636D
RGB	rgb(87, 99, 109)
HSL	hsl(207, 11%, 38%)
HSV	hsv(207, 20%, 43%)
CMYK	cmyk(20.2%, 9.2%, 0%, 57.3%)
CIE-LAB	lab(41.30, -2.21, -7.19)
CIE-LCH	lch(41.30, 7.52, 252.91°)
OKLab	oklab(49.31% -0.0098 -0.0195)
OKLCH	oklch(49.31% 0.022 243.3)
XYZ	xyz(11.1519, 12.0538, 16.2041)
Luminance	0.1205 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57636D #6D6157

analogous

#576D6C #57636D #57586D

triadic

#57636D #6D5763 #636D57

tetradic

#57636D #6C576D #6D6157 #586D57

square

#57636D #6C576D #6D6157 #586D57

split-complementary

#57636D #6D5758 #6D6C57

monochromatic

#212529 #3C444B #57636D #72828F #94A0AA

Accessibility & contrast

On white

6.16

#57636D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#57636D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57636D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57636D	#FFFFFF	#000000	##FFFFFF
##57636D	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F636E

Deuteranopia (green-blind)

#5C606D

Tritanopia (blue-blind)

#516566

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #57636d;
/* rgb */ color: rgb(87, 99, 109);
/* oklch */ color: oklch(49.3% 0.022 243.3);

Tailwind

colors: {
  custom: {
    50: '#868f96',
    500: '#57636d',
    950: '#000000',
  },
}

SCSS

$custom: #57636d;
$custom-light: #868f96;
$custom-dark: #000000;

JSON

{
  "hex": "#57636d",
  "rgb": {
    "r": 87,
    "g": 99,
    "b": 109
  },
  "hsl": {
    "h": 207.273,
    "s": 11.224,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49308,
    "c": 0.02182,
    "h": 243.3
  },
  "luminance": 0.12054
}

Semantic roles & 50–950 ramp

primary

#57636D

secondary

#998F87

accent

#9174B4

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0D

muted

#7C7D7E

Preview Lab

Preview with #57636D

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

Preview Lab → · Contrast checker → · Palette generator →