#591B1E#591B1E

#591B1E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.091 H 21.1°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#591B1E
RGB	rgb(89, 27, 30)
HSL	hsl(357, 53%, 23%)
HSV	hsv(357, 70%, 35%)
CMYK	cmyk(0%, 69.7%, 66.3%, 65.1%)
CIE-LAB	lab(20.05, 28.73, 13.61)
CIE-LCH	lch(20.05, 31.79, 25.35°)
OKLab	oklab(32.19% 0.0852 0.0329)
OKLCH	oklch(32.19% 0.091 21.1)
XYZ	xyz(4.7466, 3.0021, 1.5576)
Luminance	0.0300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B1E #1B5956

analogous

#591B3D #591B1E #59371B

triadic

#591B1E #1E591B #1B1E59

tetradic

#591B1E #3D591B #1B5956 #371B59

square

#591B1E #3D591B #1B5956 #371B59

split-complementary

#591B1E #1B5937 #1B3D59

monochromatic

#170708 #2A0D0E #591B1E #88292E #B7373E

Accessibility & contrast

On white

13.12

#591B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B1E

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B1E	#FFFFFF	#000000	##FFFFFF
##591B1E	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281E

Deuteranopia (green-blind)

#3B351C

Tritanopia (blue-blind)

#620E1D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b1e;
/* rgb */ color: rgb(89, 27, 30);
/* oklch */ color: oklch(32.2% 0.091 21.1);

Tailwind

colors: {
  custom: {
    50: '#8d5b59',
    500: '#591b1e',
    950: '#000000',
  },
}

SCSS

$custom: #591b1e;
$custom-light: #8d5b59;
$custom-dark: #000000;

JSON

{
  "hex": "#591b1e",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 30
  },
  "hsl": {
    "h": 357.097,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32189,
    "c": 0.09127,
    "h": 21.1
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary

#591B1E

secondary

#418F8B

accent

#DDD64B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B1E

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

Preview Lab → · Contrast checker → · Palette generator →