#57281D#57281D

#57281D is a dark, moderate red. Relative luminance 0.036; OKLCH L 33.9% C 0.073 H 34.4°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#57281D
RGB	rgb(87, 40, 29)
HSL	hsl(11, 50%, 23%)
HSV	hsv(11, 67%, 34%)
CMYK	cmyk(0%, 54%, 66.7%, 65.9%)
CIE-LAB	lab(22.42, 20.63, 17.20)
CIE-LCH	lch(22.42, 26.87, 39.82°)
OKLab	oklab(33.9% 0.0599 0.0409)
OKLCH	oklch(33.9% 0.073 34.4)
XYZ	xyz(4.9115, 3.6331, 1.6048)
Luminance	0.0363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57281D #1D4C57

analogous

#571D2F #57281D #57451D

triadic

#57281D #1D5728 #281D57

tetradic

#57281D #2F571D #1D4C57 #451D57

square

#57281D #2F571D #1D4C57 #451D57

split-complementary

#57281D #1D5745 #1D2F57

monochromatic

#170B08 #29130E #57281D #853D2C #B3523C

Accessibility & contrast

On white

12.16

#57281D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#57281D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57281D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57281D	#FFFFFF	#000000	##FFFFFF
##57281D	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1C

Deuteranopia (green-blind)

#3F391C

Tritanopia (blue-blind)

#602025

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #57281d;
/* rgb */ color: rgb(87, 40, 29);
/* oklch */ color: oklch(33.9% 0.073 34.4);

Tailwind

colors: {
  custom: {
    50: '#8a6359',
    500: '#57281d',
    950: '#000000',
  },
}

SCSS

$custom: #57281d;
$custom-light: #8a6359;
$custom-dark: #000000;

JSON

{
  "hex": "#57281d",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 29
  },
  "hsl": {
    "h": 11.379,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.339,
    "c": 0.07254,
    "h": 34.4
  },
  "luminance": 0.03633
}

Semantic roles & 50–950 ramp

primary

#57281D

secondary

#447E8C

accent

#BFDA4E

background

#F8F5F5

surface

#F0EAE9

border

#CBC6C5

text

#0C0503

muted

#7D7978

Preview Lab

Preview with #57281D

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

Preview Lab → · Contrast checker → · Palette generator →