#581D2B#581D2B

#581D2B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.6% C 0.088 H 8.8°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#581D2B
RGB	rgb(88, 29, 43)
HSL	hsl(346, 50%, 23%)
HSV	hsv(346, 67%, 35%)
CMYK	cmyk(0%, 67%, 51.1%, 65.5%)
CIE-LAB	lab(20.55, 28.55, 5.20)
CIE-LCH	lch(20.55, 29.02, 10.32°)
OKLab	oklab(32.63% 0.0867 0.0135)
OKLCH	oklch(32.63% 0.088 8.8)
XYZ	xyz(4.9003, 3.1284, 2.6308)
Luminance	0.0313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D2B #1D584A

analogous

#581D48 #581D2B #582D1D

triadic

#581D2B #2B581D #1D2B58

tetradic

#581D2B #48581D #1D584A #2D1D58

square

#581D2B #48581D #1D584A #2D1D58

split-complementary

#581D2B #1D582D #1D4858

monochromatic

#17080B #2A0E15 #581D2B #862C41 #B43B58

Accessibility & contrast

On white

12.92

#581D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#581D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D2B

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D2B	#FFFFFF	#000000	##FFFFFF
##581D2B	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2A2B

Deuteranopia (green-blind)

#39362A

Tritanopia (blue-blind)

#601522

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d2b;
/* rgb */ color: rgb(88, 29, 43);
/* oklch */ color: oklch(32.6% 0.088 8.8);

Tailwind

colors: {
  custom: {
    50: '#8b5c64',
    500: '#581d2b',
    950: '#000000',
  },
}

SCSS

$custom: #581d2b;
$custom-light: #8b5c64;
$custom-dark: #000000;

JSON

{
  "hex": "#581d2b",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 345.763,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32629,
    "c": 0.08776,
    "h": 8.8
  },
  "luminance": 0.03128
}

Semantic roles & 50–950 ramp

primary

#581D2B

secondary

#448D7C

accent

#DAB94E

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581D2B

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

Preview Lab → · Contrast checker → · Palette generator →