#290104#290104

#290104 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.0% C 0.069 H 21.7°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#290104
RGB	rgb(41, 1, 4)
HSL	hsl(356, 95%, 8%)
HSV	hsv(356, 98%, 16%)
CMYK	cmyk(0%, 97.6%, 90.2%, 83.9%)
CIE-LAB	lab(4.53, 19.09, 5.50)
CIE-LCH	lch(4.53, 19.87, 16.08°)
OKLab	oklab(17.98% 0.0642 0.0255)
OKLCH	oklch(17.98% 0.069 21.7)
XYZ	xyz(0.9473, 0.5020, 0.1619)
Luminance	0.0050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290104 #012926

analogous

#290118 #290104 #291201

triadic

#290104 #042901 #010429

tetradic

#290104 #182901 #012926 #120129

square

#290104 #182901 #012926 #120129

split-complementary

#290104 #012912 #011829

monochromatic

#1E0103 #1E0103 #290104 #65020A #A00410

Accessibility & contrast

On white

19.08

#290104 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#290104 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290104

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290104	#FFFFFF	#000000	##FFFFFF
##290104	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0A04

Deuteranopia (green-blind)

#161303

Tritanopia (blue-blind)

#2E0002

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #290104;
/* rgb */ color: rgb(41, 1, 4);
/* oklch */ color: oklch(18.0% 0.069 21.7);

Tailwind

colors: {
  custom: {
    50: '#654648',
    500: '#290104',
    950: '#000000',
  },
}

SCSS

$custom: #290104;
$custom-light: #654648;
$custom-dark: #000000;

JSON

{
  "hex": "#290104",
  "rgb": {
    "r": 41,
    "g": 1,
    "b": 4
  },
  "hsl": {
    "h": 355.5,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17982,
    "c": 0.06913,
    "h": 21.7
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#290104

secondary

#166F69

accent

#FFEF29

background

#F6F3F4

surface

#EBE5E6

border

#C6C1C2

text

#060000

muted

#7A7677

Preview Lab

Preview with #290104

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

Preview Lab → · Contrast checker → · Palette generator →