#591B1C#591B1C

#591B1C is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.091 H 22.9°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#591B1C
RGB	rgb(89, 27, 28)
HSL	hsl(359, 53%, 23%)
HSV	hsv(359, 70%, 35%)
CMYK	cmyk(0%, 69.7%, 68.5%, 65.1%)
CIE-LAB	lab(20.01, 28.58, 14.93)
CIE-LCH	lch(20.01, 32.25, 27.59°)
OKLab	oklab(32.15% 0.0843 0.0357)
OKLCH	oklch(32.15% 0.091 22.9)
XYZ	xyz(4.7218, 2.9922, 1.4273)
Luminance	0.0299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B1C #1B5958

analogous

#591B3B #591B1C #59391B

triadic

#591B1C #1C591B #1B1C59

tetradic

#591B1C #3B591B #1B5958 #391B59

square

#591B1C #3B591B #1B5958 #391B59

split-complementary

#591B1C #1B5939 #1B3B59

monochromatic

#170707 #2A0D0D #591B1C #88292B #B7373A

Accessibility & contrast

On white

13.14

#591B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B1C

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B1C	#FFFFFF	#000000	##FFFFFF
##591B1C	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281C

Deuteranopia (green-blind)

#3B351A

Tritanopia (blue-blind)

#620D1C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591b1c;
/* rgb */ color: rgb(89, 27, 28);
/* oklch */ color: oklch(32.1% 0.091 22.9);

Tailwind

colors: {
  custom: {
    50: '#8d5b58',
    500: '#591b1c',
    950: '#000000',
  },
}

SCSS

$custom: #591b1c;
$custom-light: #8d5b58;
$custom-dark: #000000;

JSON

{
  "hex": "#591b1c",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 28
  },
  "hsl": {
    "h": 359.032,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32147,
    "c": 0.09149,
    "h": 22.9
  },
  "luminance": 0.02992
}

Semantic roles & 50–950 ramp

primary

#591B1C

secondary

#418F8E

accent

#DDDA4B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591B1C

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

Preview Lab → · Contrast checker → · Palette generator →