#581C27#581C27

#581C27 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.4% C 0.089 H 12.5°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#581C27
RGB	rgb(88, 28, 39)
HSL	hsl(349, 52%, 23%)
HSV	hsv(349, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 55.7%, 65.5%)
CIE-LAB	lab(20.25, 28.64, 7.58)
CIE-LCH	lch(20.25, 29.62, 14.82°)
OKLab	oklab(32.37% 0.0866 0.0192)
OKLCH	oklch(32.37% 0.089 12.5)
XYZ	xyz(4.8064, 3.0523, 2.2551)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C27 #1C584D

analogous

#581C45 #581C27 #582F1C

triadic

#581C27 #27581C #1C2758

tetradic

#581C27 #45581C #1C584D #2F1C58

square

#581C27 #45581C #1C584D #2F1C58

split-complementary

#581C27 #1C582F #1C4558

monochromatic

#17070A #2A0D12 #581C27 #862B3C #B53A50

Accessibility & contrast

On white

13.04

#581C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C27

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C27	#FFFFFF	#000000	##FFFFFF
##581C27	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2927

Deuteranopia (green-blind)

#393526

Tritanopia (blue-blind)

#601220

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581c27;
/* rgb */ color: rgb(88, 28, 39);
/* oklch */ color: oklch(32.4% 0.089 12.5);

Tailwind

colors: {
  custom: {
    50: '#8b5c60',
    500: '#581c27',
    950: '#000000',
  },
}

SCSS

$custom: #581c27;
$custom-light: #8b5c60;
$custom-dark: #000000;

JSON

{
  "hex": "#581c27",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 39
  },
  "hsl": {
    "h": 349,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.3237,
    "c": 0.08867,
    "h": 12.5
  },
  "luminance": 0.03052
}

Semantic roles & 50–950 ramp

primary

#581C27

secondary

#428E80

accent

#DBC14D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581C27

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

Preview Lab → · Contrast checker → · Palette generator →