#240003#240003

#240003 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.5% C 0.066 H 20.8°. Best body text is #FFFFFF at 19.51:1 contrast (WCAG AA passes).

Color values

HEX#240003
RGBrgb(36, 0, 3)
HSLhsl(355, 100%, 7%)
HSVhsv(355, 100%, 14%)
CMYKcmyk(0%, 100%, 91.7%, 85.9%)
CIE-LABlab(3.45, 15.62, 4.22)
CIE-LCHlch(3.45, 16.18, 15.13°)
OKLaboklab(16.46% 0.0619 0.0235)
OKLCHoklch(16.46% 0.066 20.8)
XYZxyz(0.7441, 0.3818, 0.1206)
Luminance0.0038 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#240003 #002421
analogous
#240015 #240003 #240F00
triadic
#240003 #032400 #000324
tetradic
#240003 #152400 #002421 #0F0024
square
#240003 #152400 #002421 #0F0024
split-complementary
#240003 #00240F #001524
monochromatic
#1F0003 #1F0003 #240003 #610008 #9E000D

Accessibility & contrast

On white

19.51
#240003 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.08
#240003 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240003
19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##240003#FFFFFF#000000##FFFFFF
##2400031.0019.511.0819.51
#FFFFFF19.511.0021.001.00
#0000001.0821.001.0021.00
##FFFFFF19.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#080703
Deuteranopia (green-blind)
#121002
Tritanopia (blue-blind)
#290001
Achromatopsia (no color)
#0C0C0C

Design tokens & code

CSS
--color: #240003;
/* rgb */ color: rgb(36, 0, 3);
/* oklch */ color: oklch(16.5% 0.066 20.8);
Tailwind
colors: {
  custom: {
    50: '#5f4648',
    500: '#240003',
    950: '#000000',
  },
}
SCSS
$custom: #240003;
$custom-light: #5f4648;
$custom-dark: #000000;
JSON
{
  "hex": "#240003",
  "rgb": {
    "r": 36,
    "g": 0,
    "b": 3
  },
  "hsl": {
    "h": 355,
    "s": 100,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16457,
    "c": 0.06616,
    "h": 20.8
  },
  "luminance": 0.00382
}

Semantic roles & 50–950 ramp

primary
#240003
secondary
#136D65
accent
#FFED29
background
#F5F3F4
surface
#E9E5E6
border
#C5C1C2
text
#050000
muted
#797777

Preview Lab

Preview with #240003

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

Preview Lab → · Contrast checker → · Palette generator →

#240003 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva