#591B15#591B15

#591B15 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.093 H 28.8°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#591B15
RGB	rgb(89, 27, 21)
HSL	hsl(5, 62%, 22%)
HSV	hsv(5, 76%, 35%)
CMYK	cmyk(0%, 69.7%, 76.4%, 65.1%)
CIE-LAB	lab(19.89, 28.13, 19.50)
CIE-LCH	lch(19.89, 34.22, 34.73°)
OKLab	oklab(32.02% 0.0812 0.0446)
OKLCH	oklch(32.02% 0.093 28.8)
XYZ	xyz(4.6476, 2.9625, 1.0364)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B15 #155359

analogous

#591531 #591B15 #593D15

triadic

#591B15 #15591B #1B1559

tetradic

#591B15 #315915 #155359 #3D1559

square

#591B15 #315915 #155359 #3D1559

split-complementary

#591B15 #15593D #153159

monochromatic

#190806 #270C09 #591B15 #8B2A21 #BC392C

Accessibility & contrast

On white

13.19

#591B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B15

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B15	#FFFFFF	#000000	##FFFFFF
##591B15	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2814

Deuteranopia (green-blind)

#3B3513

Tritanopia (blue-blind)

#620B1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b15;
/* rgb */ color: rgb(89, 27, 21);
/* oklch */ color: oklch(32.0% 0.093 28.8);

Tailwind

colors: {
  custom: {
    50: '#8e5b52',
    500: '#591b15',
    950: '#000000',
  },
}

SCSS

$custom: #591b15;
$custom-light: #8e5b52;
$custom-dark: #000000;

JSON

{
  "hex": "#591b15",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 5.294,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32019,
    "c": 0.0927,
    "h": 28.8
  },
  "luminance": 0.02962
}

Semantic roles & 50–950 ramp

primary

#591B15

secondary

#398991

accent

#D7E543

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591B15

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

Preview Lab → · Contrast checker → · Palette generator →