#491818#491818

#491818 is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.6% C 0.075 H 23.1°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#491818
RGB	rgb(73, 24, 24)
HSL	hsl(0, 51%, 19%)
HSV	hsv(0, 67%, 29%)
CMYK	cmyk(0%, 67.1%, 67.1%, 71.4%)
CIE-LAB	lab(16.19, 23.38, 12.18)
CIE-LCH	lch(16.19, 26.36, 27.52°)
OKLab	oklab(28.65% 0.0691 0.0295)
OKLCH	oklch(28.65% 0.075 23.1)
XYZ	xyz(3.2395, 2.1361, 1.1057)
Luminance	0.0214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491818 #184949

analogous

#491831 #491818 #493118

triadic

#491818 #184918 #181849

tetradic

#491818 #314918 #184949 #311849

square

#491818 #314918 #184949 #311849

split-complementary

#491818 #184931 #183149

monochromatic

#170808 #1B0909 #491818 #772727 #A53636

Accessibility & contrast

On white

14.71

#491818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#491818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491818

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491818	#FFFFFF	#000000	##FFFFFF
##491818	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242218

Deuteranopia (green-blind)

#312C17

Tritanopia (blue-blind)

#510F18

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #491818;
/* rgb */ color: rgb(73, 24, 24);
/* oklch */ color: oklch(28.6% 0.075 23.1);

Tailwind

colors: {
  custom: {
    50: '#805754',
    500: '#491818',
    950: '#000000',
  },
}

SCSS

$custom: #491818;
$custom-light: #805754;
$custom-dark: #000000;

JSON

{
  "hex": "#491818",
  "rgb": {
    "r": 73,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 50.515,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28645,
    "c": 0.07515,
    "h": 23.1
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#491818

secondary

#3D8080

accent

#DADA4E

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #491818

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

Preview Lab → · Contrast checker → · Palette generator →