#591B1F#591B1F

#591B1F is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.091 H 20.2°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#591B1F
RGB	rgb(89, 27, 31)
HSL	hsl(356, 53%, 23%)
HSV	hsv(356, 70%, 35%)
CMYK	cmyk(0%, 69.7%, 65.2%, 65.1%)
CIE-LAB	lab(20.07, 28.81, 12.94)
CIE-LCH	lch(20.07, 31.58, 24.20°)
OKLab	oklab(32.21% 0.0856 0.0314)
OKLCH	oklch(32.21% 0.091 20.2)
XYZ	xyz(4.7595, 3.0073, 1.6259)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B1F #1B5955

analogous

#591B3E #591B1F #59361B

triadic

#591B1F #1F591B #1B1F59

tetradic

#591B1F #3E591B #1B5955 #361B59

square

#591B1F #3E591B #1B5955 #361B59

split-complementary

#591B1F #1B5936 #1B3E59

monochromatic

#170708 #2A0D0F #591B1F #88292F #B73740

Accessibility & contrast

On white

13.11

#591B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B1F

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B1F	#FFFFFF	#000000	##FFFFFF
##591B1F	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281F

Deuteranopia (green-blind)

#3A351D

Tritanopia (blue-blind)

#620E1D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b1f;
/* rgb */ color: rgb(89, 27, 31);
/* oklch */ color: oklch(32.2% 0.091 20.2);

Tailwind

colors: {
  custom: {
    50: '#8d5b5a',
    500: '#591b1f',
    950: '#000000',
  },
}

SCSS

$custom: #591b1f;
$custom-light: #8d5b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#591b1f",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 356.129,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32212,
    "c": 0.0912,
    "h": 20.2
  },
  "luminance": 0.03007
}

Semantic roles & 50–950 ramp

primary

#591B1F

secondary

#418F8A

accent

#DDD34B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B1F

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

Preview Lab → · Contrast checker → · Palette generator →