#290403#290403

#290403 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.6% C 0.063 H 28.0°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#290403
RGB	rgb(41, 4, 3)
HSL	hsl(2, 86%, 9%)
HSV	hsv(2, 93%, 16%)
CMYK	cmyk(0%, 90.2%, 92.7%, 83.9%)
CIE-LAB	lab(5.10, 17.65, 6.74)
CIE-LCH	lch(5.10, 18.90, 20.90°)
OKLab	oklab(18.56% 0.056 0.0298)
OKLCH	oklch(18.56% 0.063 28)
XYZ	xyz(0.9744, 0.5650, 0.1439)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290403 #032829

analogous

#290315 #290403 #291703

triadic

#290403 #032904 #040329

tetradic

#290403 #152903 #032829 #170329

square

#290403 #152903 #032829 #170329

split-complementary

#290403 #032917 #031529

monochromatic

#1D0302 #1D0302 #290403 #620A07 #9B0F0B

Accessibility & contrast

On white

18.87

#290403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#290403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290403

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290403	#FFFFFF	#000000	##FFFFFF
##290403	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C03

Deuteranopia (green-blind)

#181402

Tritanopia (blue-blind)

#2E0004

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #290403;
/* rgb */ color: rgb(41, 4, 3);
/* oklch */ color: oklch(18.6% 0.063 28.0);

Tailwind

colors: {
  custom: {
    50: '#654848',
    500: '#290403',
    950: '#000000',
  },
}

SCSS

$custom: #290403;
$custom-light: #654848;
$custom-dark: #000000;

JSON

{
  "hex": "#290403",
  "rgb": {
    "r": 41,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.579,
    "s": 86.364,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18564,
    "c": 0.06346,
    "h": 28
  },
  "luminance": 0.00565
}

Semantic roles & 50–950 ramp

primary

#290403

secondary

#1B6B6D

accent

#F7FD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #290403

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

Preview Lab → · Contrast checker → · Palette generator →