#591818#591818

#591818 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.7% C 0.096 H 24.4°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#591818
RGB	rgb(89, 24, 24)
HSL	hsl(0, 58%, 22%)
HSV	hsv(0, 73%, 35%)
CMYK	cmyk(0%, 73%, 73%, 65.1%)
CIE-LAB	lab(19.41, 29.75, 16.91)
CIE-LCH	lch(19.41, 34.22, 29.62°)
OKLab	oklab(31.67% 0.0871 0.0395)
OKLCH	oklch(31.67% 0.096 24.4)
XYZ	xyz(4.6118, 2.8437, 1.1700)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591818 #185959

analogous

#591839 #591818 #593918

triadic

#591818 #185918 #181859

tetradic

#591818 #395918 #185959 #391859

square

#591818 #395918 #185959 #391859

split-complementary

#591818 #185939 #183959

monochromatic

#180606 #290B0B #591818 #892525 #B93232

Accessibility & contrast

On white

13.39

#591818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#591818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591818

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591818	#FFFFFF	#000000	##FFFFFF
##591818	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2617

Deuteranopia (green-blind)

#3A3416

Tritanopia (blue-blind)

#620719

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #591818;
/* rgb */ color: rgb(89, 24, 24);
/* oklch */ color: oklch(31.7% 0.096 24.4);

Tailwind

colors: {
  custom: {
    50: '#8d5954',
    500: '#591818',
    950: '#000000',
  },
}

SCSS

$custom: #591818;
$custom-light: #8d5954;
$custom-dark: #000000;

JSON

{
  "hex": "#591818",
  "rgb": {
    "r": 89,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31669,
    "c": 0.09561,
    "h": 24.4
  },
  "luminance": 0.02843
}

Semantic roles & 50–950 ramp

primary

#591818

secondary

#3D9090

accent

#E1E147

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591818

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

Preview Lab → · Contrast checker → · Palette generator →