#57121C#57121C

#57121C is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.7% C 0.100 H 17.5°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#57121C
RGB	rgb(87, 18, 28)
HSL	hsl(351, 66%, 21%)
HSV	hsv(351, 79%, 34%)
CMYK	cmyk(0%, 79.3%, 67.8%, 65.9%)
CIE-LAB	lab(18.11, 31.90, 12.41)
CIE-LCH	lch(18.11, 34.23, 21.26°)
OKLab	oklab(30.65% 0.0951 0.03)
OKLCH	oklch(30.65% 0.1 17.5)
XYZ	xyz(4.3568, 2.5433, 1.3599)
Luminance	0.0254 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57121C #12574D

analogous

#57123E #57121C #572A12

triadic

#57121C #1C5712 #121C57

tetradic

#57121C #3E5712 #12574D #2A1257

square

#57121C #3E5712 #12574D #2A1257

split-complementary

#57121C #12572A #123E57

monochromatic

#190508 #24080C #57121C #8A1C2C #BC273D

Accessibility & contrast

On white

13.92

#57121C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#57121C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57121C

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57121C	#FFFFFF	#000000	##FFFFFF
##57121C	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231C

Deuteranopia (green-blind)

#37321A

Tritanopia (blue-blind)

#600016

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57121c;
/* rgb */ color: rgb(87, 18, 28);
/* oklch */ color: oklch(30.7% 0.100 17.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#57121c",
  "rgb": {
    "r": 87,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 351.304,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30653,
    "c": 0.09972,
    "h": 17.5
  },
  "luminance": 0.02543
}

Semantic roles & 50–950 ramp

primary

#57121C

secondary

#359083

accent

#E9D03F

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57121C

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

Preview Lab → · Contrast checker → · Palette generator →