#581B27#581B27

#581B27 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.090 H 11.9°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#581B27
RGB	rgb(88, 27, 39)
HSL	hsl(348, 53%, 23%)
HSV	hsv(348, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 55.7%, 65.5%)
CIE-LAB	lab(20.07, 29.14, 7.32)
CIE-LCH	lch(20.07, 30.04, 14.11°)
OKLab	oklab(32.23% 0.0882 0.0186)
OKLCH	oklch(32.23% 0.09 11.9)
XYZ	xyz(4.7830, 3.0057, 2.2473)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B27 #1B584C

analogous

#581B45 #581B27 #582E1B

triadic

#581B27 #27581B #1B2758

tetradic

#581B27 #45581B #1B584C #2E1B58

square

#581B27 #45581B #1B584C #2E1B58

split-complementary

#581B27 #1B582E #1B4558

monochromatic

#17070A #290D12 #581B27 #87293C #B63851

Accessibility & contrast

On white

13.12

#581B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B27

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B27	#FFFFFF	#000000	##FFFFFF
##581B27	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292927

Deuteranopia (green-blind)

#393526

Tritanopia (blue-blind)

#601120

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b27;
/* rgb */ color: rgb(88, 27, 39);
/* oklch */ color: oklch(32.2% 0.090 11.9);

Tailwind

colors: {
  custom: {
    50: '#8b5b60',
    500: '#581b27',
    950: '#000000',
  },
}

SCSS

$custom: #581b27;
$custom-light: #8b5b60;
$custom-dark: #000000;

JSON

{
  "hex": "#581b27",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 39
  },
  "hsl": {
    "h": 348.197,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32231,
    "c": 0.09009,
    "h": 11.9
  },
  "luminance": 0.03005
}

Semantic roles & 50–950 ramp

primary

#581B27

secondary

#418E7F

accent

#DCC04B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581B27

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

Preview Lab → · Contrast checker → · Palette generator →