#511312#511312

#511312 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.092 H 25.7°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#511312
RGB	rgb(81, 19, 18)
HSL	hsl(1, 64%, 19%)
HSV	hsv(1, 78%, 32%)
CMYK	cmyk(0%, 76.5%, 77.8%, 68.2%)
CIE-LAB	lab(16.79, 28.65, 17.35)
CIE-LCH	lch(16.79, 33.49, 31.19°)
OKLab	oklab(29.37% 0.0833 0.04)
OKLCH	oklch(29.37% 0.092 25.7)
XYZ	xyz(3.7358, 2.2593, 0.8115)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511312 #125051

analogous

#511231 #511312 #513312

triadic

#511312 #125113 #131251

tetradic

#511312 #315112 #125051 #331251

square

#511312 #315112 #125051 #331251

split-complementary

#511312 #125133 #123151

monochromatic

#190606 #1F0707 #511312 #831F1D #B52A28

Accessibility & contrast

On white

14.46

#511312 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511312 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511312

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511312	#FFFFFF	#000000	##FFFFFF
##511312	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252111

Deuteranopia (green-blind)

#342E10

Tritanopia (blue-blind)

#5A0213

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511312;
/* rgb */ color: rgb(81, 19, 18);
/* oklch */ color: oklch(29.4% 0.092 25.7);

Tailwind

colors: {
  custom: {
    50: '#885550',
    500: '#511312',
    950: '#000000',
  },
}

SCSS

$custom: #511312;
$custom-light: #885550;
$custom-dark: #000000;

JSON

{
  "hex": "#511312",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 18
  },
  "hsl": {
    "h": 0.952,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29373,
    "c": 0.0924,
    "h": 25.7
  },
  "luminance": 0.02259
}

Semantic roles & 50–950 ramp

primary

#511312

secondary

#35898A

accent

#E4E741

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511312

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

Preview Lab → · Contrast checker → · Palette generator →