#51131D#51131D

#51131D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.092 H 15.6°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#51131D
RGB	rgb(81, 19, 29)
HSL	hsl(350, 62%, 20%)
HSV	hsv(350, 77%, 32%)
CMYK	cmyk(0%, 76.5%, 64.2%, 68.2%)
CIE-LAB	lab(17.01, 29.41, 10.01)
CIE-LCH	lch(17.01, 31.07, 18.80°)
OKLab	oklab(29.6% 0.0882 0.0246)
OKLCH	oklch(29.6% 0.092 15.6)
XYZ	xyz(3.8484, 2.3043, 1.4043)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51131D #135147

analogous

#51133C #51131D #512813

triadic

#51131D #1D5113 #131D51

tetradic

#51131D #3C5113 #135147 #281351

square

#51131D #3C5113 #135147 #281351

split-complementary

#51131D #135128 #133C51

monochromatic

#190609 #1F070B #51131D #831F2F #B42A40

Accessibility & contrast

On white

14.38

#51131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#51131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51131D

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51131D	#FFFFFF	#000000	##FFFFFF
##51131D	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221D

Deuteranopia (green-blind)

#332F1B

Tritanopia (blue-blind)

#590517

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #51131d;
/* rgb */ color: rgb(81, 19, 29);
/* oklch */ color: oklch(29.6% 0.092 15.6);

Tailwind

colors: {
  custom: {
    50: '#875658',
    500: '#51131d',
    950: '#000000',
  },
}

SCSS

$custom: #51131d;
$custom-light: #875658;
$custom-dark: #000000;

JSON

{
  "hex": "#51131d",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 350.323,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29605,
    "c": 0.09159,
    "h": 15.6
  },
  "luminance": 0.02304
}

Semantic roles & 50–950 ramp

primary

#51131D

secondary

#368A7C

accent

#E5CB43

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51131D

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

Preview Lab → · Contrast checker → · Palette generator →