#57100E#57100E

#57100E is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.2% C 0.103 H 27.2°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#57100E
RGB	rgb(87, 16, 14)
HSL	hsl(2, 72%, 20%)
HSV	hsv(2, 84%, 34%)
CMYK	cmyk(0%, 81.6%, 83.9%, 65.9%)
CIE-LAB	lab(17.60, 31.90, 20.85)
CIE-LCH	lch(17.60, 38.11, 33.17°)
OKLab	oklab(30.19% 0.0917 0.047)
OKLCH	oklch(30.19% 0.103 27.2)
XYZ	xyz(4.1955, 2.4292, 0.6633)
Luminance	0.0243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57100E #0E5557

analogous

#570E30 #57100E #57350E

triadic

#57100E #0E5710 #100E57

tetradic

#57100E #30570E #0E5557 #350E57

square

#57100E #30570E #0E5557 #350E57

split-complementary

#57100E #0E5735 #0E3057

monochromatic

#1A0504 #220606 #57100E #8C1A16 #C0231F

Accessibility & contrast

On white

14.13

#57100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#57100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57100E

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57100E	#FFFFFF	#000000	##FFFFFF
##57100E	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)

#26210D

Deuteranopia (green-blind)

#37310B

Tritanopia (blue-blind)

#610010

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #57100e;
/* rgb */ color: rgb(87, 16, 14);
/* oklch */ color: oklch(30.2% 0.103 27.2);

Tailwind

colors: {
  custom: {
    50: '#8d554d',
    500: '#57100e',
    950: '#000000',
  },
}

SCSS

$custom: #57100e;
$custom-light: #8d554d;
$custom-dark: #000000;

JSON

{
  "hex": "#57100e",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 1.644,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30191,
    "c": 0.10306,
    "h": 27.2
  },
  "luminance": 0.02429
}

Semantic roles & 50–950 ramp

primary

#57100E

secondary

#308F91

accent

#EAEF39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57100E

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

Preview Lab → · Contrast checker → · Palette generator →