#581F1C#581F1C

#581F1C is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.085 H 25.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#581F1C
RGB	rgb(88, 31, 28)
HSL	hsl(3, 52%, 23%)
HSV	hsv(3, 68%, 35%)
CMYK	cmyk(0%, 64.8%, 68.2%, 65.5%)
CIE-LAB	lab(20.59, 26.11, 15.62)
CIE-LCH	lch(20.59, 30.43, 30.89°)
OKLab	oklab(32.55% 0.0766 0.0372)
OKLCH	oklch(32.55% 0.085 25.9)
XYZ	xyz(4.7245, 3.1391, 1.4555)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F1C #1C5558

analogous

#581C37 #581F1C #583D1C

triadic

#581F1C #1C581F #1F1C58

tetradic

#581F1C #37581C #1C5558 #3D1C58

square

#581F1C #37581C #1C5558 #3D1C58

split-complementary

#581F1C #1C583D #1C3758

monochromatic

#170807 #2A0F0D #581F1C #862F2B #B5403A

Accessibility & contrast

On white

12.90

#581F1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#581F1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F1C

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F1C	#FFFFFF	#000000	##FFFFFF
##581F1C	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1B

Deuteranopia (green-blind)

#3C361B

Tritanopia (blue-blind)

#61141F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #581f1c;
/* rgb */ color: rgb(88, 31, 28);
/* oklch */ color: oklch(32.5% 0.085 25.9);

Tailwind

colors: {
  custom: {
    50: '#8c5d58',
    500: '#581f1c',
    950: '#000000',
  },
}

SCSS

$custom: #581f1c;
$custom-light: #8c5d58;
$custom-dark: #000000;

JSON

{
  "hex": "#581f1c",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 28
  },
  "hsl": {
    "h": 3,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32546,
    "c": 0.08519,
    "h": 25.9
  },
  "luminance": 0.03139
}

Semantic roles & 50–950 ramp

primary

#581F1C

secondary

#428A8E

accent

#D4DB4D

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581F1C

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

Preview Lab → · Contrast checker → · Palette generator →