#240304#240304

#240304 is a very dark, muted red. Relative luminance 0.004; OKLCH L 17.2% C 0.059 H 23.5°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#240304
RGB	rgb(36, 3, 4)
HSL	hsl(358, 85%, 8%)
HSV	hsv(358, 92%, 14%)
CMYK	cmyk(0%, 91.7%, 88.9%, 85.9%)
CIE-LAB	lab(4.06, 14.55, 4.70)
CIE-LCH	lch(4.06, 15.29, 17.90°)
OKLab	oklab(17.21% 0.0539 0.0234)
OKLCH	oklch(17.21% 0.059 23.5)
XYZ	xyz(0.7821, 0.4491, 0.1603)
Luminance	0.0045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240304 #032423

analogous

#240314 #240304 #241203

triadic

#240304 #042403 #030424

tetradic

#240304 #142403 #032423 #120324

square

#240304 #142403 #032423 #120324

split-complementary

#240304 #032412 #031424

monochromatic

#1C0203 #1C0203 #240304 #5C080A #950C11

Accessibility & contrast

On white

19.27

#240304 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#240304 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240304

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240304	#FFFFFF	#000000	##FFFFFF
##240304	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0904

Deuteranopia (green-blind)

#141103

Tritanopia (blue-blind)

#290004

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #240304;
/* rgb */ color: rgb(36, 3, 4);
/* oklch */ color: oklch(17.2% 0.059 23.5);

Tailwind

colors: {
  custom: {
    50: '#5f4748',
    500: '#240304',
    950: '#000000',
  },
}

SCSS

$custom: #240304;
$custom-light: #5f4748;
$custom-dark: #000000;

JSON

{
  "hex": "#240304",
  "rgb": {
    "r": 36,
    "g": 3,
    "b": 4
  },
  "hsl": {
    "h": 358.182,
    "s": 84.615,
    "l": 7.647
  },
  "oklch": {
    "l": 0.17213,
    "c": 0.0587,
    "h": 23.5
  },
  "luminance": 0.00449
}

Semantic roles & 50–950 ramp

primary

#240304

secondary

#1B6866

accent

#FBF52D

background

#F5F4F4

surface

#E9E6E6

border

#C5C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #240304

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

Preview Lab → · Contrast checker → · Palette generator →