#51151A#51151A

#51151A is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 19.8°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#51151A
RGB	rgb(81, 21, 26)
HSL	hsl(355, 59%, 20%)
HSV	hsv(355, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 67.9%, 68.2%)
CIE-LAB	lab(17.28, 28.26, 12.50)
CIE-LCH	lch(17.28, 30.90, 23.86°)
OKLab	oklab(29.78% 0.0839 0.0301)
OKLCH	oklch(29.78% 0.089 19.8)
XYZ	xyz(3.8483, 2.3608, 1.2301)
Luminance	0.0236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51151A #15514C

analogous

#511538 #51151A #512E15

triadic

#51151A #1A5115 #151A51

tetradic

#51151A #385115 #15514C #2E1551

square

#51151A #385115 #15514C #2E1551

split-complementary

#51151A #15512E #153851

monochromatic

#180608 #20080A #51151A #82222A #B22E39

Accessibility & contrast

On white

14.27

#51151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#51151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51151A

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51151A	#FFFFFF	#000000	##FFFFFF
##51151A	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25221A

Deuteranopia (green-blind)

#342F18

Tritanopia (blue-blind)

#590717

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #51151a;
/* rgb */ color: rgb(81, 21, 26);
/* oklch */ color: oklch(29.8% 0.089 19.8);

Tailwind

colors: {
  custom: {
    50: '#875756',
    500: '#51151a',
    950: '#000000',
  },
}

SCSS

$custom: #51151a;
$custom-light: #875756;
$custom-dark: #000000;

JSON

{
  "hex": "#51151a",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 355,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29782,
    "c": 0.08916,
    "h": 19.8
  },
  "luminance": 0.0236
}

Semantic roles & 50–950 ramp

primary

#51151A

secondary

#398982

accent

#E2D546

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51151A

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

Preview Lab → · Contrast checker → · Palette generator →