#51131C#51131C

#51131C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.092 H 16.6°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#51131C
RGB	rgb(81, 19, 28)
HSL	hsl(351, 62%, 20%)
HSV	hsv(351, 77%, 32%)
CMYK	cmyk(0%, 76.5%, 65.4%, 68.2%)
CIE-LAB	lab(16.99, 29.33, 10.70)
CIE-LCH	lch(16.99, 31.22, 20.04°)
OKLab	oklab(29.58% 0.0878 0.0262)
OKLCH	oklch(29.58% 0.092 16.6)
XYZ	xyz(3.8362, 2.2995, 1.3402)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51131C #135148

analogous

#51133B #51131C #512913

triadic

#51131C #1C5113 #131C51

tetradic

#51131C #3B5113 #135148 #291351

square

#51131C #3B5113 #135148 #291351

split-complementary

#51131C #135129 #133B51

monochromatic

#190609 #1F070B #51131C #831F2D #B42A3E

Accessibility & contrast

On white

14.39

#51131C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#51131C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51131C

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51131C	#FFFFFF	#000000	##FFFFFF
##51131C	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221C

Deuteranopia (green-blind)

#332F1A

Tritanopia (blue-blind)

#590417

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #51131c;
/* rgb */ color: rgb(81, 19, 28);
/* oklch */ color: oklch(29.6% 0.092 16.6);

Tailwind

colors: {
  custom: {
    50: '#875657',
    500: '#51131c',
    950: '#000000',
  },
}

SCSS

$custom: #51131c;
$custom-light: #875657;
$custom-dark: #000000;

JSON

{
  "hex": "#51131c",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 28
  },
  "hsl": {
    "h": 351.29,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.2958,
    "c": 0.09157,
    "h": 16.6
  },
  "luminance": 0.02299
}

Semantic roles & 50–950 ramp

primary

#51131C

secondary

#368A7D

accent

#E5CE43

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51131C

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

Preview Lab → · Contrast checker → · Palette generator →