#511C0E#511C0E

#511C0E is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.083 H 35.7°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#511C0E
RGB	rgb(81, 28, 14)
HSL	hsl(13, 71%, 19%)
HSV	hsv(13, 83%, 32%)
CMYK	cmyk(0%, 65.4%, 82.7%, 68.2%)
CIE-LAB	lab(18.42, 23.93, 21.53)
CIE-LCH	lch(18.42, 32.19, 41.98°)
OKLab	oklab(30.58% 0.0676 0.0486)
OKLCH	oklch(30.58% 0.083 35.7)
XYZ	xyz(3.8883, 2.6121, 0.7148)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C0E #0E4351

analogous

#510E21 #511C0E #513D0E

triadic

#511C0E #0E511C #1C0E51

tetradic

#511C0E #21510E #0E4351 #3D0E51

square

#511C0E #21510E #0E4351 #3D0E51

split-complementary

#511C0E #0E513D #0E2151

monochromatic

#1A0905 #1D0A05 #511C0E #852E17 #B94020

Accessibility & contrast

On white

13.79

#511C0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511C0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C0E

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C0E	#FFFFFF	#000000	##FFFFFF
##511C0E	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260C

Deuteranopia (green-blind)

#38310C

Tritanopia (blue-blind)

#5A1019

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511c0e;
/* rgb */ color: rgb(81, 28, 14);
/* oklch */ color: oklch(30.6% 0.083 35.7);

Tailwind

colors: {
  custom: {
    50: '#875a4d',
    500: '#511c0e',
    950: '#000000',
  },
}

SCSS

$custom: #511c0e;
$custom-light: #875a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#511c0e",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 14
  },
  "hsl": {
    "h": 12.537,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30577,
    "c": 0.08326,
    "h": 35.7
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#511C0E

secondary

#2F788C

accent

#C8ED3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511C0E

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

Preview Lab → · Contrast checker → · Palette generator →