#290B04#290B04

#290B04 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.053 H 36.7°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#290B04
RGB	rgb(41, 11, 4)
HSL	hsl(11, 82%, 9%)
HSV	hsv(11, 90%, 16%)
CMYK	cmyk(0%, 73.2%, 90.2%, 83.9%)
CIE-LAB	lab(6.50, 14.59, 8.38)
CIE-LCH	lch(6.50, 16.82, 29.86°)
OKLab	oklab(19.88% 0.0424 0.0316)
OKLCH	oklch(19.88% 0.053 36.7)
XYZ	xyz(1.0561, 0.7197, 0.1981)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B04 #042229

analogous

#290410 #290B04 #291E04

triadic

#290B04 #04290B #0B0429

tetradic

#290B04 #102904 #042229 #1E0429

square

#290B04 #102904 #042229 #1E0429

split-complementary

#290B04 #04291E #041029

monochromatic

#1C0703 #1C0703 #290B04 #611A09 #99290F

Accessibility & contrast

On white

18.36

#290B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#290B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B04

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B04	#FFFFFF	#000000	##FFFFFF
##290B04	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131003

Deuteranopia (green-blind)

#1B1703

Tritanopia (blue-blind)

#2E0509

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #290b04;
/* rgb */ color: rgb(41, 11, 4);
/* oklch */ color: oklch(19.9% 0.053 36.7);

Tailwind

colors: {
  custom: {
    50: '#644b48',
    500: '#290b04',
    950: '#000000',
  },
}

SCSS

$custom: #290b04;
$custom-light: #644b48;
$custom-dark: #000000;

JSON

{
  "hex": "#290b04",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 4
  },
  "hsl": {
    "h": 11.351,
    "s": 82.222,
    "l": 8.824
  },
  "oklch": {
    "l": 0.19876,
    "c": 0.05288,
    "h": 36.7
  },
  "luminance": 0.0072
}

Semantic roles & 50–950 ramp

primary

#290B04

secondary

#1D5D6C

accent

#D2F92F

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #290B04

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

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