#591A1B#591A1B

#591A1B is a dark, moderate red. Relative luminance 0.029; OKLCH L 32.0% C 0.093 H 23.2°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#591A1B
RGB	rgb(89, 26, 27)
HSL	hsl(359, 55%, 23%)
HSV	hsv(359, 71%, 35%)
CMYK	cmyk(0%, 70.8%, 69.7%, 65.1%)
CIE-LAB	lab(19.81, 29.00, 15.37)
CIE-LCH	lch(19.81, 32.82, 27.92°)
OKLab	oklab(31.99% 0.0854 0.0365)
OKLCH	oklch(31.99% 0.093 23.2)
XYZ	xyz(4.6875, 2.9424, 1.3578)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591A1B #1A5958

analogous

#591A3A #591A1B #59391A

triadic

#591A1B #1B591A #1A1B59

tetradic

#591A1B #3A591A #1A5958 #391A59

square

#591A1B #3A591A #1A5958 #391A59

split-complementary

#591A1B #1A5939 #1A3A59

monochromatic

#180707 #2A0C0D #591A1B #882829 #B83638

Accessibility & contrast

On white

13.22

#591A1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591A1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591A1B

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591A1B	#FFFFFF	#000000	##FFFFFF
##591A1B	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B271B

Deuteranopia (green-blind)

#3B3519

Tritanopia (blue-blind)

#620B1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591a1b;
/* rgb */ color: rgb(89, 26, 27);
/* oklch */ color: oklch(32.0% 0.093 23.2);

Tailwind

colors: {
  custom: {
    50: '#8d5a57',
    500: '#591a1b',
    950: '#000000',
  },
}

SCSS

$custom: #591a1b;
$custom-light: #8d5a57;
$custom-dark: #000000;

JSON

{
  "hex": "#591a1b",
  "rgb": {
    "r": 89,
    "g": 26,
    "b": 27
  },
  "hsl": {
    "h": 359.048,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3199,
    "c": 0.09284,
    "h": 23.2
  },
  "luminance": 0.02942
}

Semantic roles & 50–950 ramp

primary

#591A1B

secondary

#408F8E

accent

#DEDC4A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591A1B

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

Preview Lab → · Contrast checker → · Palette generator →