#511D0E#511D0E

#511D0E is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.7% C 0.082 H 36.7°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#511D0E
RGB	rgb(81, 29, 14)
HSL	hsl(13, 71%, 19%)
HSV	hsv(13, 83%, 32%)
CMYK	cmyk(0%, 64.2%, 82.7%, 68.2%)
CIE-LAB	lab(18.63, 23.38, 21.78)
CIE-LCH	lch(18.63, 31.95, 42.97°)
OKLab	oklab(30.74% 0.0659 0.0491)
OKLCH	oklch(30.74% 0.082 36.7)
XYZ	xyz(3.9124, 2.6603, 0.7229)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D0E #0E4251

analogous

#510E20 #511D0E #513E0E

triadic

#511D0E #0E511D #1D0E51

tetradic

#511D0E #20510E #0E4251 #3E0E51

square

#511D0E #20510E #0E4251 #3E0E51

split-complementary

#511D0E #0E513E #0E2051

monochromatic

#1A0905 #1D0A05 #511D0E #853017 #B94220

Accessibility & contrast

On white

13.71

#511D0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#511D0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D0E

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D0E	#FFFFFF	#000000	##FFFFFF
##511D0E	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260C

Deuteranopia (green-blind)

#38320C

Tritanopia (blue-blind)

#5A111A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511d0e;
/* rgb */ color: rgb(81, 29, 14);
/* oklch */ color: oklch(30.7% 0.082 36.7);

Tailwind

colors: {
  custom: {
    50: '#875b4d',
    500: '#511d0e',
    950: '#000000',
  },
}

SCSS

$custom: #511d0e;
$custom-light: #875b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#511d0e",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 14
  },
  "hsl": {
    "h": 13.433,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30737,
    "c": 0.08217,
    "h": 36.7
  },
  "luminance": 0.0266
}

Semantic roles & 50–950 ramp

primary

#511D0E

secondary

#2F778C

accent

#C5ED3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511D0E

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

Preview Lab → · Contrast checker → · Palette generator →