#511A17#511A17

#511A17 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.083 H 26.3°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#511A17
RGB	rgb(81, 26, 23)
HSL	hsl(3, 56%, 20%)
HSV	hsv(3, 72%, 32%)
CMYK	cmyk(0%, 67.9%, 71.6%, 68.2%)
CIE-LAB	lab(18.15, 25.54, 15.68)
CIE-LCH	lch(18.15, 29.97, 31.55°)
OKLab	oklab(30.42% 0.0746 0.037)
OKLCH	oklch(30.42% 0.083 26.3)
XYZ	xyz(3.9178, 2.5505, 1.0964)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A17 #174E51

analogous

#511731 #511A17 #513717

triadic

#511A17 #17511A #1A1751

tetradic

#511A17 #315117 #174E51 #371751

square

#511A17 #315117 #174E51 #371751

split-complementary

#511A17 #175137 #173151

monochromatic

#180807 #210B09 #511A17 #812925 #B03932

Accessibility & contrast

On white

13.91

#511A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#511A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A17

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A17	#FFFFFF	#000000	##FFFFFF
##511A17	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282516

Deuteranopia (green-blind)

#363116

Tritanopia (blue-blind)

#590E1A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a17;
/* rgb */ color: rgb(81, 26, 23);
/* oklch */ color: oklch(30.4% 0.083 26.3);

Tailwind

colors: {
  custom: {
    50: '#875954',
    500: '#511a17',
    950: '#000000',
  },
}

SCSS

$custom: #511a17;
$custom-light: #875954;
$custom-dark: #000000;

JSON

{
  "hex": "#511a17",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 23
  },
  "hsl": {
    "h": 3.103,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30415,
    "c": 0.0833,
    "h": 26.3
  },
  "luminance": 0.0255
}

Semantic roles & 50–950 ramp

primary

#511A17

secondary

#3C8488

accent

#D7DF49

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511A17

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

Preview Lab → · Contrast checker → · Palette generator →