#511D12#511D12

#511D12 is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.8% C 0.081 H 33.6°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#511D12
RGB	rgb(81, 29, 18)
HSL	hsl(10, 64%, 19%)
HSV	hsv(10, 78%, 32%)
CMYK	cmyk(0%, 64.2%, 77.8%, 68.2%)
CIE-LAB	lab(18.68, 23.59, 19.62)
CIE-LCH	lch(18.68, 30.68, 39.74°)
OKLab	oklab(30.79% 0.0674 0.0448)
OKLCH	oklch(30.79% 0.081 33.6)
XYZ	xyz(3.9423, 2.6723, 0.8804)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D12 #124651

analogous

#511227 #511D12 #513D12

triadic

#511D12 #12511D #1D1251

tetradic

#511D12 #275112 #124651 #3D1251

square

#511D12 #275112 #124651 #3D1251

split-complementary

#511D12 #12513D #122751

monochromatic

#190906 #1F0B07 #511D12 #832F1D #B54128

Accessibility & contrast

On white

13.69

#511D12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#511D12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D12

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D12	#FFFFFF	#000000	##FFFFFF
##511D12	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2611

Deuteranopia (green-blind)

#383211

Tritanopia (blue-blind)

#5A121B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511d12;
/* rgb */ color: rgb(81, 29, 18);
/* oklch */ color: oklch(30.8% 0.081 33.6);

Tailwind

colors: {
  custom: {
    50: '#875b50',
    500: '#511d12',
    950: '#000000',
  },
}

SCSS

$custom: #511d12;
$custom-light: #875b50;
$custom-dark: #000000;

JSON

{
  "hex": "#511d12",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 18
  },
  "hsl": {
    "h": 10.476,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30792,
    "c": 0.08095,
    "h": 33.6
  },
  "luminance": 0.02672
}

Semantic roles & 50–950 ramp

primary

#511D12

secondary

#357B8A

accent

#CAE741

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511D12

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

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