#51151E#51151E

#51151E is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.089 H 15.7°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#51151E
RGB	rgb(81, 21, 30)
HSL	hsl(351, 59%, 20%)
HSV	hsv(351, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 63%, 68.2%)
CIE-LAB	lab(17.37, 28.58, 9.77)
CIE-LCH	lch(17.37, 30.20, 18.88°)
OKLab	oklab(29.88% 0.0858 0.0242)
OKLCH	oklch(29.88% 0.089 15.7)
XYZ	xyz(3.8962, 2.3799, 1.4822)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51151E #155148

analogous

#51153C #51151E #512A15

triadic

#51151E #1E5115 #151E51

tetradic

#51151E #3C5115 #155148 #2A1551

square

#51151E #3C5115 #155148 #2A1551

split-complementary

#51151E #15512A #153C51

monochromatic

#180609 #20080C #51151E #822230 #B22E42

Accessibility & contrast

On white

14.23

#51151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#51151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51151E

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51151E	#FFFFFF	#000000	##FFFFFF
##51151E	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24231E

Deuteranopia (green-blind)

#332F1C

Tritanopia (blue-blind)

#590819

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51151e;
/* rgb */ color: rgb(81, 21, 30);
/* oklch */ color: oklch(29.9% 0.089 15.7);

Tailwind

colors: {
  custom: {
    50: '#865759',
    500: '#51151e',
    950: '#000000',
  },
}

SCSS

$custom: #51151e;
$custom-light: #865759;
$custom-dark: #000000;

JSON

{
  "hex": "#51151e",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 351,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29878,
    "c": 0.08909,
    "h": 15.7
  },
  "luminance": 0.02379
}

Semantic roles & 50–950 ramp

primary

#51151E

secondary

#39897D

accent

#E2CB46

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51151E

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

Preview Lab → · Contrast checker → · Palette generator →