#581D1C#581D1C

#581D1C is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.088 H 24.3°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#581D1C
RGB	rgb(88, 29, 28)
HSL	hsl(1, 52%, 23%)
HSV	hsv(1, 68%, 35%)
CMYK	cmyk(0%, 67%, 68.2%, 65.5%)
CIE-LAB	lab(20.20, 27.17, 15.12)
CIE-LCH	lch(20.20, 31.09, 29.10°)
OKLab	oklab(32.25% 0.0799 0.0361)
OKLCH	oklch(32.25% 0.088 24.3)
XYZ	xyz(4.6739, 3.0379, 1.4386)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D1C #1C5758

analogous

#581C39 #581D1C #583B1C

triadic

#581D1C #1C581D #1D1C58

tetradic

#581D1C #39581C #1C5758 #3B1C58

square

#581D1C #39581C #1C5758 #3B1C58

split-complementary

#581D1C #1C583B #1C3958

monochromatic

#170807 #2A0E0D #581D1C #862C2B #B53C3A

Accessibility & contrast

On white

13.06

#581D1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581D1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D1C

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D1C	#FFFFFF	#000000	##FFFFFF
##581D1C	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291B

Deuteranopia (green-blind)

#3B351A

Tritanopia (blue-blind)

#61111D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d1c;
/* rgb */ color: rgb(88, 29, 28);
/* oklch */ color: oklch(32.2% 0.088 24.3);

Tailwind

colors: {
  custom: {
    50: '#8c5c58',
    500: '#581d1c',
    950: '#000000',
  },
}

SCSS

$custom: #581d1c;
$custom-light: #8c5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#581d1c",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 28
  },
  "hsl": {
    "h": 1,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32246,
    "c": 0.08772,
    "h": 24.3
  },
  "luminance": 0.03037
}

Semantic roles & 50–950 ramp

primary

#581D1C

secondary

#428C8E

accent

#D9DB4D

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581D1C

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

Preview Lab → · Contrast checker → · Palette generator →