#490D0A#490D0A

#490D0A is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.9% C 0.090 H 27.9°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#490D0A
RGB	rgb(73, 13, 10)
HSL	hsl(3, 76%, 16%)
HSV	hsv(3, 86%, 29%)
CMYK	cmyk(0%, 82.2%, 86.3%, 71.4%)
CIE-LAB	lab(13.98, 27.84, 17.45)
CIE-LCH	lch(13.98, 32.86, 32.08°)
OKLab	oklab(26.92% 0.0799 0.0423)
OKLCH	oklch(26.92% 0.09 27.9)
XYZ	xyz(2.9467, 1.7267, 0.4652)
Luminance	0.0173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490D0A #0A4649

analogous

#490A27 #490D0A #492D0A

triadic

#490D0A #0A490D #0D0A49

tetradic

#490D0A #27490A #0A4649 #2D0A49

square

#490D0A #27490A #0A4649 #2D0A49

split-complementary

#490D0A #0A492D #0A2749

monochromatic

#1B0504 #1B0504 #490D0A #7F1711 #B52019

Accessibility & contrast

On white

15.61

#490D0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#490D0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490D0A

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490D0A	#FFFFFF	#000000	##FFFFFF
##490D0A	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B09

Deuteranopia (green-blind)

#2E2808

Tritanopia (blue-blind)

#51000D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #490d0a;
/* rgb */ color: rgb(73, 13, 10);
/* oklch */ color: oklch(26.9% 0.090 27.9);

Tailwind

colors: {
  custom: {
    50: '#82514b',
    500: '#490d0a',
    950: '#000000',
  },
}

SCSS

$custom: #490d0a;
$custom-light: #82514b;
$custom-dark: #000000;

JSON

{
  "hex": "#490d0a",
  "rgb": {
    "r": 73,
    "g": 13,
    "b": 10
  },
  "hsl": {
    "h": 2.857,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26918,
    "c": 0.09037,
    "h": 27.9
  },
  "luminance": 0.01726
}

Semantic roles & 50–950 ramp

primary

#490D0A

secondary

#298186

accent

#E9F235

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490D0A

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

Preview Lab → · Contrast checker → · Palette generator →