#511A13#511A13

#511A13 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.3% C 0.084 H 30.0°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#511A13
RGB	rgb(81, 26, 19)
HSL	hsl(7, 62%, 20%)
HSV	hsv(7, 77%, 32%)
CMYK	cmyk(0%, 67.9%, 76.5%, 68.2%)
CIE-LAB	lab(18.08, 25.28, 18.28)
CIE-LCH	lch(18.08, 31.20, 35.88°)
OKLab	oklab(30.34% 0.0729 0.042)
OKLCH	oklch(30.34% 0.084 30)
XYZ	xyz(3.8807, 2.5357, 0.9011)
Luminance	0.0254 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A13 #134A51

analogous

#51132B #511A13 #513913

triadic

#511A13 #13511A #1A1351

tetradic

#511A13 #2B5113 #134A51 #391351

square

#511A13 #2B5113 #134A51 #391351

split-complementary

#511A13 #135139 #132B51

monochromatic

#190806 #1F0A07 #511A13 #832A1F #B43A2A

Accessibility & contrast

On white

13.93

#511A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#511A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A13

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A13	#FFFFFF	#000000	##FFFFFF
##511A13	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292512

Deuteranopia (green-blind)

#373111

Tritanopia (blue-blind)

#5A0D19

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a13;
/* rgb */ color: rgb(81, 26, 19);
/* oklch */ color: oklch(30.3% 0.084 30.0);

Tailwind

colors: {
  custom: {
    50: '#875950',
    500: '#511a13',
    950: '#000000',
  },
}

SCSS

$custom: #511a13;
$custom-light: #875950;
$custom-dark: #000000;

JSON

{
  "hex": "#511a13",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 19
  },
  "hsl": {
    "h": 6.774,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30343,
    "c": 0.08418,
    "h": 30
  },
  "luminance": 0.02535
}

Semantic roles & 50–950 ramp

primary

#511A13

secondary

#36808A

accent

#D3E543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511A13

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

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