#591B11#591B11

#591B11 is a dark, moderate red. Relative luminance 0.029; OKLCH L 32.0% C 0.094 H 31.7°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#591B11
RGB	rgb(89, 27, 17)
HSL	hsl(8, 68%, 21%)
HSV	hsv(8, 81%, 35%)
CMYK	cmyk(0%, 69.7%, 80.9%, 65.1%)
CIE-LAB	lab(19.84, 27.92, 21.95)
CIE-LCH	lch(19.84, 35.51, 38.18°)
OKLab	oklab(31.96% 0.0797 0.0491)
OKLCH	oklch(31.96% 0.094 31.7)
XYZ	xyz(4.6134, 2.9488, 0.8565)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B11 #114F59

analogous

#59112B #591B11 #593F11

triadic

#591B11 #11591B #1B1159

tetradic

#591B11 #2B5911 #114F59 #3F1159

square

#591B11 #2B5911 #114F59 #3F1159

split-complementary

#591B11 #11593F #112B59

monochromatic

#1A0805 #260B07 #591B11 #8C2B1B #C03A25

Accessibility & contrast

On white

13.21

#591B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B11

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B11	#FFFFFF	#000000	##FFFFFF
##591B11	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2710

Deuteranopia (green-blind)

#3C350F

Tritanopia (blue-blind)

#630B19

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b11;
/* rgb */ color: rgb(89, 27, 17);
/* oklch */ color: oklch(32.0% 0.094 31.7);

Tailwind

colors: {
  custom: {
    50: '#8e5b4f',
    500: '#591b11',
    950: '#000000',
  },
}

SCSS

$custom: #591b11;
$custom-light: #8e5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#591b11",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 8.333,
    "s": 67.925,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31959,
    "c": 0.09359,
    "h": 31.7
  },
  "luminance": 0.02948
}

Semantic roles & 50–950 ramp

primary

#591B11

secondary

#348592

accent

#D3EB3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591B11

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

Preview Lab → · Contrast checker → · Palette generator →