#57100F#57100F

#57100F is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.2% C 0.103 H 26.5°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#57100F
RGB	rgb(87, 16, 15)
HSL	hsl(1, 71%, 20%)
HSV	hsv(1, 83%, 34%)
CMYK	cmyk(0%, 81.6%, 82.8%, 65.9%)
CIE-LAB	lab(17.61, 31.94, 20.35)
CIE-LCH	lch(17.61, 37.87, 32.50°)
OKLab	oklab(30.21% 0.0921 0.046)
OKLCH	oklch(30.21% 0.103 26.5)
XYZ	xyz(4.2025, 2.4320, 0.7000)
Luminance	0.0243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57100F #0F5657

analogous

#570F32 #57100F #57340F

triadic

#57100F #0F5710 #100F57

tetradic

#57100F #32570F #0F5657 #340F57

square

#57100F #32570F #0F5657 #340F57

split-complementary

#57100F #0F5734 #0F3257

monochromatic

#1A0505 #230606 #57100F #8B1A18 #BF2321

Accessibility & contrast

On white

14.13

#57100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#57100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57100F

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57100F	#FFFFFF	#000000	##FFFFFF
##57100F	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26210E

Deuteranopia (green-blind)

#37310C

Tritanopia (blue-blind)

#610011

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #57100f;
/* rgb */ color: rgb(87, 16, 15);
/* oklch */ color: oklch(30.2% 0.103 26.5);

Tailwind

colors: {
  custom: {
    50: '#8d554e',
    500: '#57100f',
    950: '#000000',
  },
}

SCSS

$custom: #57100f;
$custom-light: #8d554e;
$custom-dark: #000000;

JSON

{
  "hex": "#57100f",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 0.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.30205,
    "c": 0.10292,
    "h": 26.5
  },
  "luminance": 0.02431
}

Semantic roles & 50–950 ramp

primary

#57100F

secondary

#318F91

accent

#EBED3A

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57100F

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

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