#290303#290303

#290303 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.4% C 0.065 H 26.5°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#290303
RGB	rgb(41, 3, 3)
HSL	hsl(0, 86%, 9%)
HSV	hsv(0, 93%, 16%)
CMYK	cmyk(0%, 92.7%, 92.7%, 83.9%)
CIE-LAB	lab(4.91, 18.10, 6.45)
CIE-LCH	lch(4.91, 19.21, 19.63°)
OKLab	oklab(18.37% 0.0584 0.0292)
OKLCH	oklch(18.37% 0.065 26.5)
XYZ	xyz(0.9636, 0.5433, 0.1403)
Luminance	0.0054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290303 #032929

analogous

#290316 #290303 #291603

triadic

#290303 #032903 #030329

tetradic

#290303 #162903 #032929 #160329

square

#290303 #162903 #032929 #160329

split-complementary

#290303 #032916 #031629

monochromatic

#1D0202 #1D0202 #290303 #620707 #9B0B0B

Accessibility & contrast

On white

18.94

#290303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#290303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290303

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290303	#FFFFFF	#000000	##FFFFFF
##290303	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0B03

Deuteranopia (green-blind)

#171402

Tritanopia (blue-blind)

#2E0003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #290303;
/* rgb */ color: rgb(41, 3, 3);
/* oklch */ color: oklch(18.4% 0.065 26.5);

Tailwind

colors: {
  custom: {
    50: '#654748',
    500: '#290303',
    950: '#000000',
  },
}

SCSS

$custom: #290303;
$custom-light: #654748;
$custom-dark: #000000;

JSON

{
  "hex": "#290303",
  "rgb": {
    "r": 41,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 86.364,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18365,
    "c": 0.06529,
    "h": 26.5
  },
  "luminance": 0.00543
}

Semantic roles & 50–950 ramp

primary

#290303

secondary

#1B6D6D

accent

#FDFD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #290303

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

Preview Lab → · Contrast checker → · Palette generator →