#591B19#591B19

#591B19 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.092 H 25.6°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#591B19
RGB	rgb(89, 27, 25)
HSL	hsl(2, 56%, 22%)
HSV	hsv(2, 72%, 35%)
CMYK	cmyk(0%, 69.7%, 71.9%, 65.1%)
CIE-LAB	lab(19.96, 28.37, 16.91)
CIE-LCH	lch(19.96, 33.03, 30.79°)
OKLab	oklab(32.09% 0.0829 0.0397)
OKLCH	oklch(32.09% 0.092 25.6)
XYZ	xyz(4.6877, 2.9786, 1.2476)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B19 #195759

analogous

#591937 #591B19 #593B19

triadic

#591B19 #19591B #1B1959

tetradic

#591B19 #375919 #195759 #3B1959

square

#591B19 #375919 #195759 #3B1959

split-complementary

#591B19 #19593B #193759

monochromatic

#180707 #290D0C #591B19 #892926 #B93834

Accessibility & contrast

On white

13.16

#591B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B19

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B19	#FFFFFF	#000000	##FFFFFF
##591B19	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2818

Deuteranopia (green-blind)

#3B3517

Tritanopia (blue-blind)

#620C1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b19;
/* rgb */ color: rgb(89, 27, 25);
/* oklch */ color: oklch(32.1% 0.092 25.6);

Tailwind

colors: {
  custom: {
    50: '#8d5b55',
    500: '#591b19',
    950: '#000000',
  },
}

SCSS

$custom: #591b19;
$custom-light: #8d5b55;
$custom-dark: #000000;

JSON

{
  "hex": "#591b19",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 1.875,
    "s": 56.14,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32088,
    "c": 0.09193,
    "h": 25.6
  },
  "luminance": 0.02978
}

Semantic roles & 50–950 ramp

primary

#591B19

secondary

#3E8D8F

accent

#DBDF48

background

#F9F5F4

surface

#F1E9E8

border

#CBC5C4

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B19

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

Preview Lab → · Contrast checker → · Palette generator →