#521D0D#521D0D

#521D0D is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.9% C 0.084 H 37.1°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#521D0D
RGB	rgb(82, 29, 13)
HSL	hsl(14, 73%, 19%)
HSV	hsv(14, 84%, 32%)
CMYK	cmyk(0%, 64.6%, 84.1%, 67.8%)
CIE-LAB	lab(18.81, 23.76, 22.53)
CIE-LCH	lch(18.81, 32.75, 43.48°)
OKLab	oklab(30.91% 0.0668 0.0506)
OKLCH	oklch(30.91% 0.084 37.1)
XYZ	xyz(3.9921, 2.7022, 0.6920)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521D0D #0D4252

analogous

#520D1F #521D0D #523F0D

triadic

#521D0D #0D521D #1D0D52

tetradic

#521D0D #1F520D #0D4252 #3F0D52

square

#521D0D #1F520D #0D4252 #3F0D52

split-complementary

#521D0D #0D523F #0D1F52

monochromatic

#1A0904 #1D0A05 #521D0D #873015 #BC421E

Accessibility & contrast

On white

13.63

#521D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#521D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521D0D

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521D0D	#FFFFFF	#000000	##FFFFFF
##521D0D	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C260B

Deuteranopia (green-blind)

#39320B

Tritanopia (blue-blind)

#5B111A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #521d0d;
/* rgb */ color: rgb(82, 29, 13);
/* oklch */ color: oklch(30.9% 0.084 37.1);

Tailwind

colors: {
  custom: {
    50: '#885b4d',
    500: '#521d0d',
    950: '#000000',
  },
}

SCSS

$custom: #521d0d;
$custom-light: #885b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#521d0d",
  "rgb": {
    "r": 82,
    "g": 29,
    "b": 13
  },
  "hsl": {
    "h": 13.913,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30907,
    "c": 0.08374,
    "h": 37.1
  },
  "luminance": 0.02702
}

Semantic roles & 50–950 ramp

primary

#521D0D

secondary

#2E778D

accent

#C5EF38

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #521D0D

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

Preview Lab → · Contrast checker → · Palette generator →