#591B16#591B16

#591B16 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.092 H 28.0°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#591B16
RGB	rgb(89, 27, 22)
HSL	hsl(4, 60%, 22%)
HSV	hsv(4, 75%, 35%)
CMYK	cmyk(0%, 69.7%, 75.3%, 65.1%)
CIE-LAB	lab(19.91, 28.18, 18.86)
CIE-LCH	lch(19.91, 33.91, 33.78°)
OKLab	oklab(32.04% 0.0817 0.0434)
OKLCH	oklch(32.04% 0.092 28)
XYZ	xyz(4.6571, 2.9663, 1.0862)
Luminance	0.0297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B16 #165459

analogous

#591633 #591B16 #593D16

triadic

#591B16 #16591B #1B1659

tetradic

#591B16 #335916 #165459 #3D1659

square

#591B16 #335916 #165459 #3D1659

split-complementary

#591B16 #16593D #163359

monochromatic

#190706 #280C0A #591B16 #8A2A22 #BB392E

Accessibility & contrast

On white

13.18

#591B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B16

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B16	#FFFFFF	#000000	##FFFFFF
##591B16	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2815

Deuteranopia (green-blind)

#3B3514

Tritanopia (blue-blind)

#620C1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b16;
/* rgb */ color: rgb(89, 27, 22);
/* oklch */ color: oklch(32.0% 0.092 28.0);

Tailwind

colors: {
  custom: {
    50: '#8d5b53',
    500: '#591b16',
    950: '#000000',
  },
}

SCSS

$custom: #591b16;
$custom-light: #8d5b53;
$custom-dark: #000000;

JSON

{
  "hex": "#591b16",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 4.478,
    "s": 60.36,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32035,
    "c": 0.09249,
    "h": 28
  },
  "luminance": 0.02966
}

Semantic roles & 50–950 ramp

primary

#591B16

secondary

#3B8A90

accent

#D8E444

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591B16

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

Preview Lab → · Contrast checker → · Palette generator →