#57101A#57101A

#57101A is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.102 H 18.3°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#57101A
RGB	rgb(87, 16, 26)
HSL	hsl(352, 69%, 20%)
HSV	hsv(352, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 70.1%, 65.9%)
CIE-LAB	lab(17.79, 32.55, 13.41)
CIE-LCH	lch(17.79, 35.20, 22.40°)
OKLab	oklab(30.4% 0.0967 0.032)
OKLCH	oklch(30.4% 0.102 18.3)
XYZ	xyz(4.3027, 2.4720, 1.2277)
Luminance	0.0247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57101A #10574D

analogous

#57103E #57101A #572910

triadic

#57101A #1A5710 #101A57

tetradic

#57101A #3E5710 #10574D #291057

square

#57101A #3E5710 #10574D #291057

split-complementary

#57101A #105729 #103E57

monochromatic

#1A0508 #23060B #57101A #8B1A29 #BE2339

Accessibility & contrast

On white

14.05

#57101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#57101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57101A

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57101A	#FFFFFF	#000000	##FFFFFF
##57101A	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221A

Deuteranopia (green-blind)

#363118

Tritanopia (blue-blind)

#600014

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57101a;
/* rgb */ color: rgb(87, 16, 26);
/* oklch */ color: oklch(30.4% 0.102 18.3);

Tailwind

colors: {
  custom: {
    50: '#8c5556',
    500: '#57101a',
    950: '#000000',
  },
}

SCSS

$custom: #57101a;
$custom-light: #8c5556;
$custom-dark: #000000;

JSON

{
  "hex": "#57101a",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 351.549,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.304,
    "c": 0.10188,
    "h": 18.3
  },
  "luminance": 0.02471
}

Semantic roles & 50–950 ramp

primary

#57101A

secondary

#329083

accent

#ECD33C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57101A

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

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