#290D0A#290D0A

#290D0A is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.4% C 0.048 H 28.2°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#290D0A
RGB	rgb(41, 13, 10)
HSL	hsl(6, 61%, 10%)
HSV	hsv(6, 76%, 16%)
CMYK	cmyk(0%, 68.3%, 75.6%, 83.9%)
CIE-LAB	lab(7.06, 14.17, 6.74)
CIE-LCH	lch(7.06, 15.69, 25.45°)
OKLab	oklab(20.39% 0.0421 0.0225)
OKLCH	oklch(20.39% 0.048 28.2)
XYZ	xyz(1.1133, 0.7813, 0.3793)
Luminance	0.0078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290D0A #0A2629

analogous

#290A17 #290D0A #291C0A

triadic

#290D0A #0A290D #0D0A29

tetradic

#290D0A #17290A #0A2629 #1C0A29

square

#290D0A #17290A #0A2629 #1C0A29

split-complementary

#290D0A #0A291C #0A1729

monochromatic

#190806 #190806 #290D0A #5A1D16 #8B2C22

Accessibility & contrast

On white

18.16

#290D0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#290D0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290D0A

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290D0A	#FFFFFF	#000000	##FFFFFF
##290D0A	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120A

Deuteranopia (green-blind)

#1B1809

Tritanopia (blue-blind)

#2E080C

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #290d0a;
/* rgb */ color: rgb(41, 13, 10);
/* oklch */ color: oklch(20.4% 0.048 28.2);

Tailwind

colors: {
  custom: {
    50: '#644c4b',
    500: '#290d0a',
    950: '#000000',
  },
}

SCSS

$custom: #290d0a;
$custom-light: #644c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#290d0a",
  "rgb": {
    "r": 41,
    "g": 13,
    "b": 10
  },
  "hsl": {
    "h": 5.806,
    "s": 60.784,
    "l": 10
  },
  "oklch": {
    "l": 0.20389,
    "c": 0.04771,
    "h": 28.2
  },
  "luminance": 0.00781
}

Semantic roles & 50–950 ramp

primary

#290D0A

secondary

#296066

accent

#D4E444

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #290D0A

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

Preview Lab → · Contrast checker → · Palette generator →