#591B1D#591B1D

#591B1D is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.091 H 22.0°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#591B1D
RGB	rgb(89, 27, 29)
HSL	hsl(358, 53%, 23%)
HSV	hsv(358, 70%, 35%)
CMYK	cmyk(0%, 69.7%, 67.4%, 65.1%)
CIE-LAB	lab(20.03, 28.65, 14.27)
CIE-LCH	lch(20.03, 32.01, 26.48°)
OKLab	oklab(32.17% 0.0847 0.0343)
OKLCH	oklch(32.17% 0.091 22)
XYZ	xyz(4.7340, 2.9971, 1.4914)
Luminance	0.0300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B1D #1B5957

analogous

#591B3C #591B1D #59381B

triadic

#591B1D #1D591B #1B1D59

tetradic

#591B1D #3C591B #1B5957 #381B59

square

#591B1D #3C591B #1B5957 #381B59

split-complementary

#591B1D #1B5938 #1B3C59

monochromatic

#170708 #2A0D0E #591B1D #88292C #B7373C

Accessibility & contrast

On white

13.13

#591B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B1D

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B1D	#FFFFFF	#000000	##FFFFFF
##591B1D	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281D

Deuteranopia (green-blind)

#3B351B

Tritanopia (blue-blind)

#620D1C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b1d;
/* rgb */ color: rgb(89, 27, 29);
/* oklch */ color: oklch(32.2% 0.091 22.0);

Tailwind

colors: {
  custom: {
    50: '#8d5b58',
    500: '#591b1d',
    950: '#000000',
  },
}

SCSS

$custom: #591b1d;
$custom-light: #8d5b58;
$custom-dark: #000000;

JSON

{
  "hex": "#591b1d",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 358.065,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32168,
    "c": 0.09137,
    "h": 22
  },
  "luminance": 0.02996
}

Semantic roles & 50–950 ramp

primary

#591B1D

secondary

#418F8C

accent

#DDD84B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B1D

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

Preview Lab → · Contrast checker → · Palette generator →