#581D1E#581D1E

#581D1E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.087 H 22.4°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#581D1E
RGB	rgb(88, 29, 30)
HSL	hsl(359, 50%, 23%)
HSV	hsv(359, 67%, 35%)
CMYK	cmyk(0%, 67%, 65.9%, 65.5%)
CIE-LAB	lab(20.23, 27.32, 13.81)
CIE-LCH	lch(20.23, 30.61, 26.81°)
OKLab	oklab(32.29% 0.0808 0.0333)
OKLCH	oklch(32.29% 0.087 22.4)
XYZ	xyz(4.6987, 3.0478, 1.5689)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D1E #1D5857

analogous

#581D3B #581D1E #58391D

triadic

#581D1E #1E581D #1D1E58

tetradic

#581D1E #3B581D #1D5857 #391D58

square

#581D1E #3B581D #1D5857 #391D58

split-complementary

#581D1E #1D5839 #1D3B58

monochromatic

#170808 #2A0E0E #581D1E #862C2E #B43B3D

Accessibility & contrast

On white

13.05

#581D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D1E

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D1E	#FFFFFF	#000000	##FFFFFF
##581D1E	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291E

Deuteranopia (green-blind)

#3B351D

Tritanopia (blue-blind)

#61111E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d1e;
/* rgb */ color: rgb(88, 29, 30);
/* oklch */ color: oklch(32.3% 0.087 22.4);

Tailwind

colors: {
  custom: {
    50: '#8c5c59',
    500: '#581d1e',
    950: '#000000',
  },
}

SCSS

$custom: #581d1e;
$custom-light: #8c5c59;
$custom-dark: #000000;

JSON

{
  "hex": "#581d1e",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 358.983,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32289,
    "c": 0.08744,
    "h": 22.4
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#581D1E

secondary

#448D8C

accent

#DAD84E

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581D1E

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

Preview Lab → · Contrast checker → · Palette generator →