#511520#511520

#511520 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.089 H 13.7°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#511520
RGB	rgb(81, 21, 32)
HSL	hsl(349, 59%, 20%)
HSV	hsv(349, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 60.5%, 68.2%)
CIE-LAB	lab(17.42, 28.75, 8.41)
CIE-LCH	lch(17.42, 29.96, 16.31°)
OKLab	oklab(29.93% 0.0867 0.0211)
OKLCH	oklch(29.93% 0.089 13.7)
XYZ	xyz(3.9226, 2.3905, 1.6211)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511520 #155146

analogous

#51153E #511520 #512815

triadic

#511520 #205115 #152051

tetradic

#511520 #3E5115 #155146 #281551

square

#511520 #3E5115 #155146 #281551

split-complementary

#511520 #155128 #153E51

monochromatic

#18060A #20080D #511520 #822233 #B22E46

Accessibility & contrast

On white

14.21

#511520 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511520 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511520

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511520	#FFFFFF	#000000	##FFFFFF
##511520	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242320

Deuteranopia (green-blind)

#332F1F

Tritanopia (blue-blind)

#590919

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511520;
/* rgb */ color: rgb(81, 21, 32);
/* oklch */ color: oklch(29.9% 0.089 13.7);

Tailwind

colors: {
  custom: {
    50: '#86575b',
    500: '#511520',
    950: '#000000',
  },
}

SCSS

$custom: #511520;
$custom-light: #86575b;
$custom-dark: #000000;

JSON

{
  "hex": "#511520",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 32
  },
  "hsl": {
    "h": 349,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29931,
    "c": 0.08919,
    "h": 13.7
  },
  "luminance": 0.0239
}

Semantic roles & 50–950 ramp

primary

#511520

secondary

#39897A

accent

#E2C546

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0304

muted

#7D7879

Preview Lab

Preview with #511520

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

Preview Lab → · Contrast checker → · Palette generator →