#581B14#581B14

#581B14 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.092 H 29.6°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#581B14
RGB	rgb(88, 27, 20)
HSL	hsl(6, 63%, 21%)
HSV	hsv(6, 77%, 35%)
CMYK	cmyk(0%, 69.3%, 77.3%, 65.5%)
CIE-LAB	lab(19.68, 27.67, 19.85)
CIE-LCH	lch(19.68, 34.06, 35.66°)
OKLab	oklab(31.82% 0.0797 0.0453)
OKLCH	oklch(31.82% 0.092 29.6)
XYZ	xyz(4.5432, 2.9097, 0.9841)
Luminance	0.0291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B14 #145158

analogous

#58142F #581B14 #583D14

triadic

#581B14 #14581B #1B1458

tetradic

#581B14 #2F5814 #145158 #3D1458

square

#581B14 #2F5814 #145158 #3D1458

split-complementary

#581B14 #14583D #142F58

monochromatic

#190806 #260C09 #581B14 #8A2A1F #BC3A2B

Accessibility & contrast

On white

13.28

#581B14 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581B14 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B14

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B14	#FFFFFF	#000000	##FFFFFF
##581B14	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2713

Deuteranopia (green-blind)

#3B3512

Tritanopia (blue-blind)

#610C1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b14;
/* rgb */ color: rgb(88, 27, 20);
/* oklch */ color: oklch(31.8% 0.092 29.6);

Tailwind

colors: {
  custom: {
    50: '#8d5b51',
    500: '#581b14',
    950: '#000000',
  },
}

SCSS

$custom: #581b14;
$custom-light: #8d5b51;
$custom-dark: #000000;

JSON

{
  "hex": "#581b14",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 20
  },
  "hsl": {
    "h": 6.176,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31815,
    "c": 0.09166,
    "h": 29.6
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#581B14

secondary

#388790

accent

#D5E642

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581B14

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

Preview Lab → · Contrast checker → · Palette generator →