#521B0D#521B0D

#521B0D is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.086 H 35.3°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#521B0D
RGB	rgb(82, 27, 13)
HSL	hsl(12, 73%, 19%)
HSV	hsv(12, 84%, 32%)
CMYK	cmyk(0%, 67.1%, 84.1%, 67.8%)
CIE-LAB	lab(18.40, 24.85, 22.05)
CIE-LCH	lch(18.40, 33.22, 41.58°)
OKLab	oklab(30.6% 0.0701 0.0496)
OKLCH	oklch(30.6% 0.086 35.3)
XYZ	xyz(3.9447, 2.6073, 0.6762)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521B0D #0D4452

analogous

#520D21 #521B0D #523D0D

triadic

#521B0D #0D521B #1B0D52

tetradic

#521B0D #21520D #0D4452 #3D0D52

square

#521B0D #21520D #0D4452 #3D0D52

split-complementary

#521B0D #0D523D #0D2152

monochromatic

#1A0904 #1D0A05 #521B0D #872C15 #BC3E1E

Accessibility & contrast

On white

13.80

#521B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#521B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521B0D

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521B0D	#FFFFFF	#000000	##FFFFFF
##521B0D	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250B

Deuteranopia (green-blind)

#38310B

Tritanopia (blue-blind)

#5B0D18

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #521b0d;
/* rgb */ color: rgb(82, 27, 13);
/* oklch */ color: oklch(30.6% 0.086 35.3);

Tailwind

colors: {
  custom: {
    50: '#885a4d',
    500: '#521b0d',
    950: '#000000',
  },
}

SCSS

$custom: #521b0d;
$custom-light: #885a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#521b0d",
  "rgb": {
    "r": 82,
    "g": 27,
    "b": 13
  },
  "hsl": {
    "h": 12.174,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30595,
    "c": 0.08589,
    "h": 35.3
  },
  "luminance": 0.02607
}

Semantic roles & 50–950 ramp

primary

#521B0D

secondary

#2E7A8D

accent

#CAEF38

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #521B0D

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

Preview Lab → · Contrast checker → · Palette generator →