#531B0D#531B0D

#531B0D is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.8% C 0.087 H 35.1°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#531B0D
RGB	rgb(83, 27, 13)
HSL	hsl(12, 73%, 19%)
HSV	hsv(12, 84%, 33%)
CMYK	cmyk(0%, 67.5%, 84.3%, 67.5%)
CIE-LAB	lab(18.59, 25.27, 22.33)
CIE-LCH	lch(18.59, 33.72, 41.47°)
OKLab	oklab(30.78% 0.0713 0.0501)
OKLCH	oklch(30.78% 0.087 35.1)
XYZ	xyz(4.0323, 2.6525, 0.6803)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B0D #0D4553

analogous

#530D22 #531B0D #533E0D

triadic

#531B0D #0D531B #1B0D53

tetradic

#531B0D #22530D #0D4553 #3E0D53

square

#531B0D #22530D #0D4553 #3E0D53

split-complementary

#531B0D #0D533E #0D2253

monochromatic

#1A0904 #1E0A05 #531B0D #882C15 #BD3D1E

Accessibility & contrast

On white

13.72

#531B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#531B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B0D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B0D	#FFFFFF	#000000	##FFFFFF
##531B0D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B250B

Deuteranopia (green-blind)

#39320B

Tritanopia (blue-blind)

#5C0D18

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #531b0d;
/* rgb */ color: rgb(83, 27, 13);
/* oklch */ color: oklch(30.8% 0.087 35.1);

Tailwind

colors: {
  custom: {
    50: '#895a4d',
    500: '#531b0d',
    950: '#000000',
  },
}

SCSS

$custom: #531b0d;
$custom-light: #895a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#531b0d",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 13
  },
  "hsl": {
    "h": 12,
    "s": 72.917,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30782,
    "c": 0.08715,
    "h": 35.1
  },
  "luminance": 0.02652
}

Semantic roles & 50–950 ramp

primary

#531B0D

secondary

#2E7B8E

accent

#CBF038

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0401

muted

#7D7977

Preview Lab

Preview with #531B0D

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

Preview Lab → · Contrast checker → · Palette generator →