#490B18#490B18

#490B18 is a dark, moderate red. Relative luminance 0.017; OKLCH L 27.0% C 0.091 H 14.4°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#490B18
RGB	rgb(73, 11, 24)
HSL	hsl(347, 74%, 16%)
HSV	hsv(347, 85%, 29%)
CMYK	cmyk(0%, 84.9%, 67.1%, 71.4%)
CIE-LAB	lab(13.96, 29.46, 9.26)
CIE-LCH	lch(13.96, 30.88, 17.45°)
OKLab	oklab(26.98% 0.0885 0.0227)
OKLCH	oklch(26.98% 0.091 14.4)
XYZ	xyz(3.0325, 1.7222, 1.0367)
Luminance	0.0172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490B18 #0B493C

analogous

#490B37 #490B18 #491D0B

triadic

#490B18 #18490B #0B1849

tetradic

#490B18 #37490B #0B493C #1D0B49

square

#490B18 #37490B #0B493C #1D0B49

split-complementary

#490B18 #0B491D #0B3749

monochromatic

#1B0409 #1B0409 #490B18 #7E1329 #B31B3B

Accessibility & contrast

On white

15.62

#490B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#490B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490B18

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490B18	#FFFFFF	#000000	##FFFFFF
##490B18	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B18

Deuteranopia (green-blind)

#2C2816

Tritanopia (blue-blind)

#510011

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #490b18;
/* rgb */ color: rgb(73, 11, 24);
/* oklch */ color: oklch(27.0% 0.091 14.4);

Tailwind

colors: {
  custom: {
    50: '#815154',
    500: '#490b18',
    950: '#000000',
  },
}

SCSS

$custom: #490b18;
$custom-light: #815154;
$custom-dark: #000000;

JSON

{
  "hex": "#490b18",
  "rgb": {
    "r": 73,
    "g": 11,
    "b": 24
  },
  "hsl": {
    "h": 347.419,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26981,
    "c": 0.09137,
    "h": 14.4
  },
  "luminance": 0.01722
}

Semantic roles & 50–950 ramp

primary

#490B18

secondary

#2A8572

accent

#F0CA37

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0202

muted

#7C7878

Preview Lab

Preview with #490B18

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

Preview Lab → · Contrast checker → · Palette generator →