#581C25#581C25

#581C25 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.089 H 14.6°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#581C25
RGB	rgb(88, 28, 37)
HSL	hsl(351, 52%, 23%)
HSV	hsv(351, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 58%, 65.5%)
CIE-LAB	lab(20.20, 28.44, 8.91)
CIE-LCH	lch(20.20, 29.81, 17.39°)
OKLab	oklab(32.32% 0.0857 0.0224)
OKLCH	oklch(32.32% 0.089 14.6)
XYZ	xyz(4.7741, 3.0394, 2.0852)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C25 #1C584F

analogous

#581C43 #581C25 #58311C

triadic

#581C25 #25581C #1C2558

tetradic

#581C25 #43581C #1C584F #311C58

square

#581C25 #43581C #1C584F #311C58

split-complementary

#581C25 #1C5831 #1C4358

monochromatic

#17070A #2A0D11 #581C25 #862B39 #B53A4C

Accessibility & contrast

On white

13.06

#581C25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581C25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C25

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C25	#FFFFFF	#000000	##FFFFFF
##581C25	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)

#2A2925

Deuteranopia (green-blind)

#3A3524

Tritanopia (blue-blind)

#611220

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581c25;
/* rgb */ color: rgb(88, 28, 37);
/* oklch */ color: oklch(32.3% 0.089 14.6);

Tailwind

colors: {
  custom: {
    50: '#8b5c5f',
    500: '#581c25',
    950: '#000000',
  },
}

SCSS

$custom: #581c25;
$custom-light: #8b5c5f;
$custom-dark: #000000;

JSON

{
  "hex": "#581c25",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 37
  },
  "hsl": {
    "h": 351,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32315,
    "c": 0.08852,
    "h": 14.6
  },
  "luminance": 0.03039
}

Semantic roles & 50–950 ramp

primary

#581C25

secondary

#428E82

accent

#DBC64D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #581C25

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

Preview Lab → · Contrast checker → · Palette generator →