#511311#511311

#511311 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.093 H 26.5°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#511311
RGB	rgb(81, 19, 17)
HSL	hsl(2, 65%, 19%)
HSV	hsv(2, 79%, 32%)
CMYK	cmyk(0%, 76.5%, 79%, 68.2%)
CIE-LAB	lab(16.78, 28.60, 17.92)
CIE-LCH	lch(16.78, 33.75, 32.08°)
OKLab	oklab(29.36% 0.0829 0.0412)
OKLCH	oklch(29.36% 0.093 26.5)
XYZ	xyz(3.7278, 2.2561, 0.7694)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511311 #114F51

analogous

#51112F #511311 #513311

triadic

#511311 #115113 #131151

tetradic

#511311 #2F5111 #114F51 #331151

square

#511311 #2F5111 #114F51 #331151

split-complementary

#511311 #115133 #112F51

monochromatic

#190605 #1E0706 #511311 #841F1C #B62B26

Accessibility & contrast

On white

14.47

#511311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511311

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511311	#FFFFFF	#000000	##FFFFFF
##511311	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252110

Deuteranopia (green-blind)

#342E0F

Tritanopia (blue-blind)

#5A0113

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511311;
/* rgb */ color: rgb(81, 19, 17);
/* oklch */ color: oklch(29.4% 0.093 26.5);

Tailwind

colors: {
  custom: {
    50: '#88554f',
    500: '#511311',
    950: '#000000',
  },
}

SCSS

$custom: #511311;
$custom-light: #88554f;
$custom-dark: #000000;

JSON

{
  "hex": "#511311",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.875,
    "s": 65.306,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29357,
    "c": 0.09256,
    "h": 26.5
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#511311

secondary

#34888A

accent

#E3E840

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511311

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

Preview Lab → · Contrast checker → · Palette generator →