#591B17#591B17

#591B17 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.092 H 27.2°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#591B17
RGB	rgb(89, 27, 23)
HSL	hsl(4, 59%, 22%)
HSV	hsv(4, 74%, 35%)
CMYK	cmyk(0%, 69.7%, 74.2%, 65.1%)
CIE-LAB	lab(19.92, 28.25, 18.21)
CIE-LCH	lch(19.92, 33.61, 32.81°)
OKLab	oklab(32.05% 0.0821 0.0422)
OKLCH	oklch(32.05% 0.092 27.2)
XYZ	xyz(4.6669, 2.9702, 1.1380)
Luminance	0.0297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B17 #175559

analogous

#591734 #591B17 #593C17

triadic

#591B17 #17591B #1B1759

tetradic

#591B17 #345917 #175559 #3C1759

square

#591B17 #345917 #175559 #3C1759

split-complementary

#591B17 #17593C #173459

monochromatic

#180706 #280C0A #591B17 #8A2A24 #BA3930

Accessibility & contrast

On white

13.17

#591B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B17

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B17	#FFFFFF	#000000	##FFFFFF
##591B17	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2816

Deuteranopia (green-blind)

#3B3515

Tritanopia (blue-blind)

#620C1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b17;
/* rgb */ color: rgb(89, 27, 23);
/* oklch */ color: oklch(32.1% 0.092 27.2);

Tailwind

colors: {
  custom: {
    50: '#8d5b54',
    500: '#591b17',
    950: '#000000',
  },
}

SCSS

$custom: #591b17;
$custom-light: #8d5b54;
$custom-dark: #000000;

JSON

{
  "hex": "#591b17",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 23
  },
  "hsl": {
    "h": 3.636,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32052,
    "c": 0.09229,
    "h": 27.2
  },
  "luminance": 0.0297
}

Semantic roles & 50–950 ramp

primary

#591B17

secondary

#3C8B90

accent

#D9E246

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591B17

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

Preview Lab → · Contrast checker → · Palette generator →