#290B05#290B05

#290B05 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.052 H 34.5°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#290B05
RGB	rgb(41, 11, 5)
HSL	hsl(10, 78%, 9%)
HSV	hsv(10, 88%, 16%)
CMYK	cmyk(0%, 73.2%, 87.8%, 83.9%)
CIE-LAB	lab(6.52, 14.69, 8.00)
CIE-LCH	lch(6.52, 16.73, 28.55°)
OKLab	oklab(19.9% 0.0431 0.0297)
OKLCH	oklch(19.9% 0.052 34.5)
XYZ	xyz(1.0616, 0.7219, 0.2270)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B05 #052329

analogous

#290511 #290B05 #291D05

triadic

#290B05 #05290B #0B0529

tetradic

#290B05 #112905 #052329 #1D0529

square

#290B05 #112905 #052329 #1D0529

split-complementary

#290B05 #05291D #051129

monochromatic

#1B0703 #1B0703 #290B05 #601A0C #962812

Accessibility & contrast

On white

18.35

#290B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#290B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B05

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B05	#FFFFFF	#000000	##FFFFFF
##290B05	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131004

Deuteranopia (green-blind)

#1B1704

Tritanopia (blue-blind)

#2E0509

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #290b05;
/* rgb */ color: rgb(41, 11, 5);
/* oklch */ color: oklch(19.9% 0.052 34.5);

Tailwind

colors: {
  custom: {
    50: '#654b49',
    500: '#290b05',
    950: '#000000',
  },
}

SCSS

$custom: #290b05;
$custom-light: #654b49;
$custom-dark: #000000;

JSON

{
  "hex": "#290b05",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 5
  },
  "hsl": {
    "h": 10,
    "s": 78.261,
    "l": 9.02
  },
  "oklch": {
    "l": 0.199,
    "c": 0.05233,
    "h": 34.5
  },
  "luminance": 0.00722
}

Semantic roles & 50–950 ramp

primary

#290B05

secondary

#1F5E6B

accent

#D4F533

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #290B05

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

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