#490B0D#490B0D

#490B0D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.8% C 0.092 H 24.5°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#490B0D
RGB	rgb(73, 11, 13)
HSL	hsl(358, 74%, 16%)
HSV	hsv(358, 85%, 29%)
CMYK	cmyk(0%, 84.9%, 82.2%, 71.4%)
CIE-LAB	lab(13.74, 28.77, 15.81)
CIE-LCH	lch(13.74, 32.82, 28.79°)
OKLab	oklab(26.75% 0.0836 0.0382)
OKLCH	oklch(26.75% 0.092 24.5)
XYZ	xyz(2.9403, 1.6853, 0.5512)
Luminance	0.0169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490B0D #0B4947

analogous

#490B2C #490B0D #49280B

triadic

#490B0D #0D490B #0B0D49

tetradic

#490B0D #2C490B #0B4947 #280B49

square

#490B0D #2C490B #0B4947 #280B49

split-complementary

#490B0D #0B4928 #0B2C49

monochromatic

#1B0405 #1B0405 #490B0D #7E1316 #B31B20

Accessibility & contrast

On white

15.71

#490B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#490B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490B0D

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490B0D	#FFFFFF	#000000	##FFFFFF
##490B0D	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0C

Deuteranopia (green-blind)

#2D280B

Tritanopia (blue-blind)

#51000D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #490b0d;
/* rgb */ color: rgb(73, 11, 13);
/* oklch */ color: oklch(26.8% 0.092 24.5);

Tailwind

colors: {
  custom: {
    50: '#82504c',
    500: '#490b0d',
    950: '#000000',
  },
}

SCSS

$custom: #490b0d;
$custom-light: #82504c;
$custom-dark: #000000;

JSON

{
  "hex": "#490b0d",
  "rgb": {
    "r": 73,
    "g": 11,
    "b": 13
  },
  "hsl": {
    "h": 358.065,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26752,
    "c": 0.09186,
    "h": 24.5
  },
  "luminance": 0.01685
}

Semantic roles & 50–950 ramp

primary

#490B0D

secondary

#2A8582

accent

#F0EA37

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490B0D

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

Preview Lab → · Contrast checker → · Palette generator →