#511D10#511D10

#511D10 is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.8% C 0.082 H 35.2°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#511D10
RGB	rgb(81, 29, 16)
HSL	hsl(12, 67%, 19%)
HSV	hsv(12, 80%, 32%)
CMYK	cmyk(0%, 64.2%, 80.2%, 68.2%)
CIE-LAB	lab(18.65, 23.48, 20.75)
CIE-LCH	lch(18.65, 31.33, 41.47°)
OKLab	oklab(30.76% 0.0667 0.047)
OKLCH	oklch(30.76% 0.082 35.2)
XYZ	xyz(3.9266, 2.6660, 0.7979)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D10 #104451

analogous

#511024 #511D10 #513E10

triadic

#511D10 #10511D #1D1051

tetradic

#511D10 #245110 #104451 #3E1051

square

#511D10 #245110 #104451 #3E1051

split-complementary

#511D10 #10513E #102451

monochromatic

#1A0905 #1E0B06 #511D10 #842F1A #B74224

Accessibility & contrast

On white

13.70

#511D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#511D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D10

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D10	#FFFFFF	#000000	##FFFFFF
##511D10	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260E

Deuteranopia (green-blind)

#38320E

Tritanopia (blue-blind)

#5A111A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511d10;
/* rgb */ color: rgb(81, 29, 16);
/* oklch */ color: oklch(30.8% 0.082 35.2);

Tailwind

colors: {
  custom: {
    50: '#875b4f',
    500: '#511d10',
    950: '#000000',
  },
}

SCSS

$custom: #511d10;
$custom-light: #875b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#511d10",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 16
  },
  "hsl": {
    "h": 12,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.30763,
    "c": 0.08156,
    "h": 35.2
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#511D10

secondary

#32798B

accent

#C8EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511D10

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

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