#57504B#57504B

#57504B is a dark, near-neutral grey. Relative luminance 0.083; OKLCH L 43.6% C 0.012 H 58.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#57504B
RGB	rgb(87, 80, 75)
HSL	hsl(25, 7%, 32%)
HSV	hsv(25, 14%, 34%)
CMYK	cmyk(0%, 8%, 13.8%, 65.9%)
CIE-LAB	lab(34.54, 1.90, 3.98)
CIE-LCH	lch(34.54, 4.41, 64.56°)
OKLab	oklab(43.64% 0.0065 0.0104)
OKLCH	oklch(43.64% 0.012 58)
XYZ	xyz(8.0690, 8.2717, 7.8268)
Luminance	0.0827 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57504B #4B5257

analogous

#574B4C #57504B #57564B

triadic

#57504B #4B5750 #504B57

tetradic

#57504B #4C574B #4B5257 #564B57

square

#57504B #4C574B #4B5257 #564B57

split-complementary

#57504B #4B5756 #4B4C57

monochromatic

#151412 #36322F #57504B #786E67 #978D86

Accessibility & contrast

On white

7.91

#57504B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#57504B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57504B

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57504B	#FFFFFF	#000000	##FFFFFF
##57504B	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52504B

Deuteranopia (green-blind)

#54524B

Tritanopia (blue-blind)

#594F4F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #57504b;
/* rgb */ color: rgb(87, 80, 75);
/* oklch */ color: oklch(43.6% 0.012 58.0);

Tailwind

colors: {
  custom: {
    50: '#86817d',
    500: '#57504b',
    950: '#000000',
  },
}

SCSS

$custom: #57504b;
$custom-light: #86817d;
$custom-dark: #000000;

JSON

{
  "hex": "#57504b",
  "rgb": {
    "r": 87,
    "g": 80,
    "b": 75
  },
  "hsl": {
    "h": 25,
    "s": 7.407,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43644,
    "c": 0.01233,
    "h": 58
  },
  "luminance": 0.08272
}

Semantic roles & 50–950 ramp

primary

#57504B

secondary

#788085

accent

#99B077

background

#F8F7F7

surface

#EFEEEE

border

#CAC9C9

text

#0B0A09

muted

#7C7C7B

Preview Lab

Preview with #57504B

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

Preview Lab → · Contrast checker → · Palette generator →