#531B0C#531B0C

#531B0C is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.087 H 35.8°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#531B0C
RGB	rgb(83, 27, 12)
HSL	hsl(13, 75%, 19%)
HSV	hsv(13, 86%, 33%)
CMYK	cmyk(0%, 67.5%, 85.5%, 67.5%)
CIE-LAB	lab(18.58, 25.23, 22.78)
CIE-LCH	lch(18.58, 33.99, 42.09°)
OKLab	oklab(30.77% 0.0709 0.0511)
OKLCH	oklch(30.77% 0.087 35.8)
XYZ	xyz(4.0260, 2.6500, 0.6473)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B0C #0C4453

analogous

#530C20 #531B0C #533E0C

triadic

#531B0C #0C531B #1B0C53

tetradic

#531B0C #20530C #0C4453 #3E0C53

square

#531B0C #20530C #0C4453 #3E0C53

split-complementary

#531B0C #0C533E #0C2053

monochromatic

#1B0904 #1E0A04 #531B0C #882C14 #BE3E1B

Accessibility & contrast

On white

13.73

#531B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#531B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B0C

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B0C	#FFFFFF	#000000	##FFFFFF
##531B0C	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B250A

Deuteranopia (green-blind)

#39320A

Tritanopia (blue-blind)

#5C0D18

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #531b0c;
/* rgb */ color: rgb(83, 27, 12);
/* oklch */ color: oklch(30.8% 0.087 35.8);

Tailwind

colors: {
  custom: {
    50: '#895a4c',
    500: '#531b0c',
    950: '#000000',
  },
}

SCSS

$custom: #531b0c;
$custom-light: #895a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#531b0c",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 12
  },
  "hsl": {
    "h": 12.676,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.3077,
    "c": 0.08742,
    "h": 35.8
  },
  "luminance": 0.02649
}

Semantic roles & 50–950 ramp

primary

#531B0C

secondary

#2D7A8E

accent

#CAF136

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0401

muted

#7D7977

Preview Lab

Preview with #531B0C

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

Preview Lab → · Contrast checker → · Palette generator →