#581B25#581B25

#581B25 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.090 H 14.0°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#581B25
RGB	rgb(88, 27, 37)
HSL	hsl(350, 53%, 23%)
HSV	hsv(350, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 58%, 65.5%)
CIE-LAB	lab(20.02, 28.94, 8.65)
CIE-LCH	lch(20.02, 30.21, 16.64°)
OKLab	oklab(32.18% 0.0872 0.0217)
OKLCH	oklch(32.18% 0.09 14)
XYZ	xyz(4.7508, 2.9928, 2.0774)
Luminance	0.0299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B25 #1B584E

analogous

#581B43 #581B25 #58301B

triadic

#581B25 #25581B #1B2558

tetradic

#581B25 #43581B #1B584E #301B58

square

#581B25 #43581B #1B584E #301B58

split-complementary

#581B25 #1B5830 #1B4358

monochromatic

#17070A #290D11 #581B25 #872939 #B6384C

Accessibility & contrast

On white

13.14

#581B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B25

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B25	#FFFFFF	#000000	##FFFFFF
##581B25	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292825

Deuteranopia (green-blind)

#393524

Tritanopia (blue-blind)

#61101F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b25;
/* rgb */ color: rgb(88, 27, 37);
/* oklch */ color: oklch(32.2% 0.090 14.0);

Tailwind

colors: {
  custom: {
    50: '#8b5b5f',
    500: '#581b25',
    950: '#000000',
  },
}

SCSS

$custom: #581b25;
$custom-light: #8b5b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#581b25",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 37
  },
  "hsl": {
    "h": 350.164,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32176,
    "c": 0.08991,
    "h": 14
  },
  "luminance": 0.02992
}

Semantic roles & 50–950 ramp

primary

#581B25

secondary

#418E81

accent

#DCC54B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #581B25

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

Preview Lab → · Contrast checker → · Palette generator →