#51150D#51150D

#51150D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.091 H 30.7°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#51150D
RGB	rgb(81, 21, 13)
HSL	hsl(7, 72%, 18%)
HSV	hsv(7, 84%, 32%)
CMYK	cmyk(0%, 74.1%, 84%, 68.2%)
CIE-LAB	lab(17.06, 27.47, 20.39)
CIE-LCH	lch(17.06, 34.22, 36.58°)
OKLab	oklab(29.55% 0.0784 0.0466)
OKLCH	oklch(29.55% 0.091 30.7)
XYZ	xyz(3.7346, 2.3153, 0.6309)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51150D #0D4951

analogous

#510D27 #51150D #51370D

triadic

#51150D #0D5115 #150D51

tetradic

#51150D #27510D #0D4951 #370D51

square

#51150D #27510D #0D4951 #370D51

split-complementary

#51150D #0D5137 #0D2751

monochromatic

#1A0704 #1C0705 #51150D #862315 #BA301E

Accessibility & contrast

On white

14.35

#51150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#51150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51150D

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51150D	#FFFFFF	#000000	##FFFFFF
##51150D	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220C

Deuteranopia (green-blind)

#352F0B

Tritanopia (blue-blind)

#5A0414

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #51150d;
/* rgb */ color: rgb(81, 21, 13);
/* oklch */ color: oklch(29.6% 0.091 30.7);

Tailwind

colors: {
  custom: {
    50: '#88564c',
    500: '#51150d',
    950: '#000000',
  },
}

SCSS

$custom: #51150d;
$custom-light: #88564c;
$custom-dark: #000000;

JSON

{
  "hex": "#51150d",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 7.059,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29552,
    "c": 0.09116,
    "h": 30.7
  },
  "luminance": 0.02315
}

Semantic roles & 50–950 ramp

primary

#51150D

secondary

#2E818C

accent

#DAEF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #51150D

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

Preview Lab → · Contrast checker → · Palette generator →