#531A0D#531A0D

#531A0D is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.088 H 34.3°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#531A0D
RGB	rgb(83, 26, 13)
HSL	hsl(11, 73%, 19%)
HSV	hsv(11, 84%, 33%)
CMYK	cmyk(0%, 68.7%, 84.3%, 67.5%)
CIE-LAB	lab(18.40, 25.79, 22.10)
CIE-LCH	lch(18.40, 33.96, 40.58°)
OKLab	oklab(30.63% 0.0729 0.0497)
OKLCH	oklch(30.63% 0.088 34.3)
XYZ	xyz(4.0098, 2.6074, 0.6728)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531A0D #0D4653

analogous

#530D23 #531A0D #533D0D

triadic

#531A0D #0D531A #1A0D53

tetradic

#531A0D #23530D #0D4653 #3D0D53

square

#531A0D #23530D #0D4653 #3D0D53

split-complementary

#531A0D #0D533D #0D2353

monochromatic

#1A0804 #1E0905 #531A0D #882B15 #BD3B1E

Accessibility & contrast

On white

13.80

#531A0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#531A0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531A0D

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531A0D	#FFFFFF	#000000	##FFFFFF
##531A0D	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)

#38320B

Tritanopia (blue-blind)

#5C0B17

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #531a0d;
/* rgb */ color: rgb(83, 26, 13);
/* oklch */ color: oklch(30.6% 0.088 34.3);

Tailwind

colors: {
  custom: {
    50: '#89594d',
    500: '#531a0d',
    950: '#000000',
  },
}

SCSS

$custom: #531a0d;
$custom-light: #89594d;
$custom-dark: #000000;

JSON

{
  "hex": "#531a0d",
  "rgb": {
    "r": 83,
    "g": 26,
    "b": 13
  },
  "hsl": {
    "h": 11.143,
    "s": 72.917,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30633,
    "c": 0.08823,
    "h": 34.3
  },
  "luminance": 0.02607
}

Semantic roles & 50–950 ramp

primary

#531A0D

secondary

#2E7C8E

accent

#CEF038

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0401

muted

#7D7977

Preview Lab

Preview with #531A0D

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

Preview Lab → · Contrast checker → · Palette generator →