#591C1C#591C1C

#591C1C is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.090 H 23.6°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#591C1C
RGB	rgb(89, 28, 28)
HSL	hsl(0, 52%, 23%)
HSV	hsv(0, 69%, 35%)
CMYK	cmyk(0%, 68.5%, 68.5%, 65.1%)
CIE-LAB	lab(20.20, 28.08, 15.17)
CIE-LCH	lch(20.20, 31.91, 28.38°)
OKLab	oklab(32.29% 0.0827 0.0362)
OKLCH	oklch(32.29% 0.09 23.6)
XYZ	xyz(4.7451, 3.0388, 1.4351)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591C1C #1C5959

analogous

#591C3A #591C1C #593A1C

triadic

#591C1C #1C591C #1C1C59

tetradic

#591C1C #3A591C #1C5959 #3A1C59

square

#591C1C #3A591C #1C5959 #3A1C59

split-complementary

#591C1C #1C593A #1C3A59

monochromatic

#170707 #2A0D0D #591C1C #882B2B #B63939

Accessibility & contrast

On white

13.06

#591C1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#591C1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591C1C

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591C1C	#FFFFFF	#000000	##FFFFFF
##591C1C	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291B

Deuteranopia (green-blind)

#3B361A

Tritanopia (blue-blind)

#620F1D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #591c1c;
/* rgb */ color: rgb(89, 28, 28);
/* oklch */ color: oklch(32.3% 0.090 23.6);

Tailwind

colors: {
  custom: {
    50: '#8d5c58',
    500: '#591c1c',
    950: '#000000',
  },
}

SCSS

$custom: #591c1c;
$custom-light: #8d5c58;
$custom-dark: #000000;

JSON

{
  "hex": "#591c1c",
  "rgb": {
    "r": 89,
    "g": 28,
    "b": 28
  },
  "hsl": {
    "h": 0,
    "s": 52.137,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32286,
    "c": 0.09025,
    "h": 23.6
  },
  "luminance": 0.03038
}

Semantic roles & 50–950 ramp

primary

#591C1C

secondary

#428F8F

accent

#DCDC4C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591C1C

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

Preview Lab → · Contrast checker → · Palette generator →