#490E0A#490E0A

#490E0A is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.0% C 0.089 H 28.5°. Best body text is #FFFFFF at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#490E0A
RGB	rgb(73, 14, 10)
HSL	hsl(4, 76%, 16%)
HSV	hsv(4, 86%, 29%)
CMYK	cmyk(0%, 80.8%, 86.3%, 71.4%)
CIE-LAB	lab(14.13, 27.42, 17.65)
CIE-LCH	lch(14.13, 32.61, 32.77°)
OKLab	oklab(27.03% 0.0786 0.0426)
OKLCH	oklch(27.03% 0.089 28.5)
XYZ	xyz(2.9598, 1.7529, 0.4696)
Luminance	0.0175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490E0A #0A4549

analogous

#490A26 #490E0A #492E0A

triadic

#490E0A #0A490E #0E0A49

tetradic

#490E0A #26490A #0A4549 #2E0A49

square

#490E0A #26490A #0A4549 #2E0A49

split-complementary

#490E0A #0A492E #0A2649

monochromatic

#1B0504 #1B0504 #490E0A #7F1811 #B52319

Accessibility & contrast

On white

15.55

#490E0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#490E0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490E0A

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490E0A	#FFFFFF	#000000	##FFFFFF
##490E0A	1.00	15.55	1.35	15.55
#FFFFFF	15.55	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C09

Deuteranopia (green-blind)

#2E2908

Tritanopia (blue-blind)

#51000E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #490e0a;
/* rgb */ color: rgb(73, 14, 10);
/* oklch */ color: oklch(27.0% 0.089 28.5);

Tailwind

colors: {
  custom: {
    50: '#82524b',
    500: '#490e0a',
    950: '#000000',
  },
}

SCSS

$custom: #490e0a;
$custom-light: #82524b;
$custom-dark: #000000;

JSON

{
  "hex": "#490e0a",
  "rgb": {
    "r": 73,
    "g": 14,
    "b": 10
  },
  "hsl": {
    "h": 3.81,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.27031,
    "c": 0.08937,
    "h": 28.5
  },
  "luminance": 0.01752
}

Semantic roles & 50–950 ramp

primary

#490E0A

secondary

#298086

accent

#E6F235

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490E0A

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

Preview Lab → · Contrast checker → · Palette generator →