#51131A#51131A

#51131A is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.092 H 18.6°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#51131A
RGB	rgb(81, 19, 26)
HSL	hsl(353, 62%, 20%)
HSV	hsv(353, 77%, 32%)
CMYK	cmyk(0%, 76.5%, 67.9%, 68.2%)
CIE-LAB	lab(16.94, 29.17, 12.06)
CIE-LCH	lch(16.94, 31.57, 22.46°)
OKLab	oklab(29.53% 0.0868 0.0292)
OKLCH	oklch(29.53% 0.092 18.6)
XYZ	xyz(3.8130, 2.2902, 1.2184)
Luminance	0.0229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51131A #13514A

analogous

#511339 #51131A #512B13

triadic

#51131A #1A5113 #131A51

tetradic

#51131A #395113 #13514A #2B1351

square

#51131A #395113 #13514A #2B1351

split-complementary

#51131A #13512B #133951

monochromatic

#190608 #1F070A #51131A #831F2A #B42A3A

Accessibility & contrast

On white

14.40

#51131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#51131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51131A

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51131A	#FFFFFF	#000000	##FFFFFF
##51131A	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24211A

Deuteranopia (green-blind)

#332F18

Tritanopia (blue-blind)

#590416

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #51131a;
/* rgb */ color: rgb(81, 19, 26);
/* oklch */ color: oklch(29.5% 0.092 18.6);

Tailwind

colors: {
  custom: {
    50: '#875656',
    500: '#51131a',
    950: '#000000',
  },
}

SCSS

$custom: #51131a;
$custom-light: #875656;
$custom-dark: #000000;

JSON

{
  "hex": "#51131a",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 353.226,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29532,
    "c": 0.09159,
    "h": 18.6
  },
  "luminance": 0.0229
}

Semantic roles & 50–950 ramp

primary

#51131A

secondary

#368A80

accent

#E5D343

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51131A

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

Preview Lab → · Contrast checker → · Palette generator →