#490A0A#490A0A

#490A0A is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.093 H 26.3°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#490A0A
RGB	rgb(73, 10, 10)
HSL	hsl(0, 76%, 16%)
HSV	hsv(0, 86%, 29%)
CMYK	cmyk(0%, 86.3%, 86.3%, 71.4%)
CIE-LAB	lab(13.57, 29.00, 16.91)
CIE-LCH	lch(13.57, 33.57, 30.24°)
OKLab	oklab(26.61% 0.0835 0.0413)
OKLCH	oklch(26.61% 0.093 26.3)
XYZ	xyz(2.9113, 1.6559, 0.4534)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490A0A #0A4949

analogous

#490A2A #490A0A #492A0A

triadic

#490A0A #0A490A #0A0A49

tetradic

#490A0A #2A490A #0A4949 #2A0A49

square

#490A0A #2A490A #0A4949 #2A0A49

split-complementary

#490A0A #0A492A #0A2A49

monochromatic

#1B0404 #1B0404 #490A0A #7F1111 #B51919

Accessibility & contrast

On white

15.78

#490A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#490A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490A0A

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490A0A	#FFFFFF	#000000	##FFFFFF
##490A0A	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A09

Deuteranopia (green-blind)

#2D2808

Tritanopia (blue-blind)

#51000B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #490a0a;
/* rgb */ color: rgb(73, 10, 10);
/* oklch */ color: oklch(26.6% 0.093 26.3);

Tailwind

colors: {
  custom: {
    50: '#82504b',
    500: '#490a0a',
    950: '#000000',
  },
}

SCSS

$custom: #490a0a;
$custom-light: #82504b;
$custom-dark: #000000;

JSON

{
  "hex": "#490a0a",
  "rgb": {
    "r": 73,
    "g": 10,
    "b": 10
  },
  "hsl": {
    "h": 0,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26609,
    "c": 0.09318,
    "h": 26.3
  },
  "luminance": 0.01655
}

Semantic roles & 50–950 ramp

primary

#490A0A

secondary

#298686

accent

#F2F235

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490A0A

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

Preview Lab → · Contrast checker → · Palette generator →