#591018#591018

#591018 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.104 H 20.3°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#591018
RGB	rgb(89, 16, 24)
HSL	hsl(353, 70%, 21%)
HSV	hsv(353, 82%, 35%)
CMYK	cmyk(0%, 82%, 73%, 65.1%)
CIE-LAB	lab(18.19, 33.10, 15.42)
CIE-LCH	lch(18.19, 36.52, 24.98°)
OKLab	oklab(30.76% 0.0977 0.0362)
OKLCH	oklch(30.76% 0.104 20.3)
XYZ	xyz(4.4705, 2.5611, 1.1229)
Luminance	0.0256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591018 #105951

analogous

#59103C #591018 #592C10

triadic

#591018 #185910 #101859

tetradic

#591018 #3C5910 #105951 #2C1059

square

#591018 #3C5910 #105951 #2C1059

split-complementary

#591018 #10592C #103C59

monochromatic

#1A0507 #25070A #591018 #8D1926 #C12334

Accessibility & contrast

On white

13.89

#591018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#591018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591018

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591018	#FFFFFF	#000000	##FFFFFF
##591018	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252318

Deuteranopia (green-blind)

#383216

Tritanopia (blue-blind)

#620014

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #591018;
/* rgb */ color: rgb(89, 16, 24);
/* oklch */ color: oklch(30.8% 0.104 20.3);

Tailwind

colors: {
  custom: {
    50: '#8e5654',
    500: '#591018',
    950: '#000000',
  },
}

SCSS

$custom: #591018;
$custom-light: #8e5654;
$custom-dark: #000000;

JSON

{
  "hex": "#591018",
  "rgb": {
    "r": 89,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 353.425,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30764,
    "c": 0.1042,
    "h": 20.3
  },
  "luminance": 0.0256
}

Semantic roles & 50–950 ramp

primary

#591018

secondary

#339288

accent

#ECD93B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #591018

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

Preview Lab → · Contrast checker → · Palette generator →