#57121B#57121B

#57121B is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.6% C 0.100 H 18.4°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#57121B
RGB	rgb(87, 18, 27)
HSL	hsl(352, 66%, 21%)
HSV	hsv(352, 79%, 34%)
CMYK	cmyk(0%, 79.3%, 69%, 65.9%)
CIE-LAB	lab(18.09, 31.83, 13.09)
CIE-LCH	lch(18.09, 34.42, 22.36°)
OKLab	oklab(30.63% 0.0947 0.0314)
OKLCH	oklch(30.63% 0.1 18.4)
XYZ	xyz(4.3451, 2.5386, 1.2979)
Luminance	0.0254 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57121B #12574E

analogous

#57123D #57121B #572B12

triadic

#57121B #1B5712 #121B57

tetradic

#57121B #3D5712 #12574E #2B1257

square

#57121B #3D5712 #12574E #2B1257

split-complementary

#57121B #12572B #123D57

monochromatic

#190508 #24080B #57121B #8A1C2B #BC273A

Accessibility & contrast

On white

13.93

#57121B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#57121B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57121B

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57121B	#FFFFFF	#000000	##FFFFFF
##57121B	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231B

Deuteranopia (green-blind)

#373119

Tritanopia (blue-blind)

#600016

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57121b;
/* rgb */ color: rgb(87, 18, 27);
/* oklch */ color: oklch(30.6% 0.100 18.4);

Tailwind

colors: {
  custom: {
    50: '#8c5657',
    500: '#57121b',
    950: '#000000',
  },
}

SCSS

$custom: #57121b;
$custom-light: #8c5657;
$custom-dark: #000000;

JSON

{
  "hex": "#57121b",
  "rgb": {
    "r": 87,
    "g": 18,
    "b": 27
  },
  "hsl": {
    "h": 352.174,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3063,
    "c": 0.09974,
    "h": 18.4
  },
  "luminance": 0.02538
}

Semantic roles & 50–950 ramp

primary

#57121B

secondary

#359084

accent

#E9D33F

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57121B

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

Preview Lab → · Contrast checker → · Palette generator →