#511E22#511E22

#511E22 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.077 H 17.9°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#511E22
RGB	rgb(81, 30, 34)
HSL	hsl(355, 46%, 22%)
HSV	hsv(355, 63%, 32%)
CMYK	cmyk(0%, 63%, 58%, 68.2%)
CIE-LAB	lab(19.20, 24.30, 9.42)
CIE-LCH	lch(19.20, 26.06, 21.19°)
OKLab	oklab(31.28% 0.0729 0.0235)
OKLCH	oklch(31.28% 0.077 17.9)
XYZ	xyz(4.1467, 2.7939, 1.8340)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E22 #1E514D

analogous

#511E3C #511E22 #51341E

triadic

#511E22 #22511E #1E2251

tetradic

#511E22 #3C511E #1E514D #341E51

square

#511E22 #3C511E #1E514D #341E51

split-complementary

#511E22 #1E5134 #1E3C51

monochromatic

#160809 #240D0F #511E22 #7E2F35 #AA3F47

Accessibility & contrast

On white

13.47

#511E22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511E22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E22

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E22	#FFFFFF	#000000	##FFFFFF
##511E22	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2822

Deuteranopia (green-blind)

#373321

Tritanopia (blue-blind)

#591620

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511e22;
/* rgb */ color: rgb(81, 30, 34);
/* oklch */ color: oklch(31.3% 0.077 17.9);

Tailwind

colors: {
  custom: {
    50: '#855c5c',
    500: '#511e22',
    950: '#000000',
  },
}

SCSS

$custom: #511e22;
$custom-light: #855c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#511e22",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 34
  },
  "hsl": {
    "h": 355.294,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31282,
    "c": 0.07658,
    "h": 17.9
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#511E22

secondary

#458681

accent

#D6CB52

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511E22

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

Preview Lab → · Contrast checker → · Palette generator →