#51151C#51151C

#51151C is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 17.8°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#51151C
RGB	rgb(81, 21, 28)
HSL	hsl(353, 59%, 20%)
HSV	hsv(353, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 65.4%, 68.2%)
CIE-LAB	lab(17.32, 28.41, 11.14)
CIE-LCH	lch(17.32, 30.52, 21.40°)
OKLab	oklab(29.83% 0.0848 0.0272)
OKLCH	oklch(29.83% 0.089 17.8)
XYZ	xyz(3.8715, 2.3700, 1.3520)
Luminance	0.0237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51151C #15514A

analogous

#51153A #51151C #512C15

triadic

#51151C #1C5115 #151C51

tetradic

#51151C #3A5115 #15514A #2C1551

square

#51151C #3A5115 #15514A #2C1551

split-complementary

#51151C #15512C #153A51

monochromatic

#180608 #20080B #51151C #82222D #B22E3E

Accessibility & contrast

On white

14.25

#51151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#51151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51151C

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51151C	#FFFFFF	#000000	##FFFFFF
##51151C	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24231C

Deuteranopia (green-blind)

#342F1A

Tritanopia (blue-blind)

#590718

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51151c;
/* rgb */ color: rgb(81, 21, 28);
/* oklch */ color: oklch(29.8% 0.089 17.8);

Tailwind

colors: {
  custom: {
    50: '#865757',
    500: '#51151c',
    950: '#000000',
  },
}

SCSS

$custom: #51151c;
$custom-light: #865757;
$custom-dark: #000000;

JSON

{
  "hex": "#51151c",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 353,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29829,
    "c": 0.08908,
    "h": 17.8
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#51151C

secondary

#39897F

accent

#E2D046

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51151C

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

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