#591B1A#591B1A

#591B1A is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.092 H 24.7°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#591B1A
RGB	rgb(89, 27, 26)
HSL	hsl(1, 55%, 23%)
HSV	hsv(1, 71%, 35%)
CMYK	cmyk(0%, 69.7%, 70.8%, 65.1%)
CIE-LAB	lab(19.98, 28.44, 16.25)
CIE-LCH	lch(19.98, 32.76, 29.75°)
OKLab	oklab(32.11% 0.0834 0.0384)
OKLCH	oklch(32.11% 0.092 24.7)
XYZ	xyz(4.6987, 2.9829, 1.3054)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B1A #1A5859

analogous

#591A39 #591B1A #593A1A

triadic

#591B1A #1A591B #1B1A59

tetradic

#591B1A #39591A #1A5859 #3A1A59

square

#591B1A #39591A #1A5859 #3A1A59

split-complementary

#591B1A #1A593A #1A3959

monochromatic

#180707 #2A0D0C #591B1A #882928 #B83836

Accessibility & contrast

On white

13.15

#591B1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B1A

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B1A	#FFFFFF	#000000	##FFFFFF
##591B1A	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2819

Deuteranopia (green-blind)

#3B3518

Tritanopia (blue-blind)

#620D1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b1a;
/* rgb */ color: rgb(89, 27, 26);
/* oklch */ color: oklch(32.1% 0.092 24.7);

Tailwind

colors: {
  custom: {
    50: '#8d5b56',
    500: '#591b1a',
    950: '#000000',
  },
}

SCSS

$custom: #591b1a;
$custom-light: #8d5b56;
$custom-dark: #000000;

JSON

{
  "hex": "#591b1a",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 26
  },
  "hsl": {
    "h": 0.952,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32107,
    "c": 0.09177,
    "h": 24.7
  },
  "luminance": 0.02982
}

Semantic roles & 50–950 ramp

primary

#591B1A

secondary

#408E8F

accent

#DCDE4A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B1A

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

Preview Lab → · Contrast checker → · Palette generator →