#240203#240203

#240203 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.9% C 0.061 H 24.2°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#240203
RGB	rgb(36, 2, 3)
HSL	hsl(358, 89%, 7%)
HSV	hsv(358, 94%, 14%)
CMYK	cmyk(0%, 94.4%, 91.7%, 85.9%)
CIE-LAB	lab(3.84, 14.81, 4.79)
CIE-LCH	lch(3.84, 15.57, 17.93°)
OKLab	oklab(16.95% 0.0558 0.0251)
OKLCH	oklch(16.95% 0.061 24.2)
XYZ	xyz(0.7658, 0.4252, 0.1279)
Luminance	0.0043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240203 #022423

analogous

#240214 #240203 #241202

triadic

#240203 #032402 #020324

tetradic

#240203 #142402 #022423 #120224

square

#240203 #142402 #022423 #120224

split-complementary

#240203 #022412 #021424

monochromatic

#1D0202 #1D0202 #240203 #5E0508 #98080D

Accessibility & contrast

On white

19.35

#240203 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#240203 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240203

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240203	#FFFFFF	#000000	##FFFFFF
##240203	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0903

Deuteranopia (green-blind)

#141102

Tritanopia (blue-blind)

#290003

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #240203;
/* rgb */ color: rgb(36, 2, 3);
/* oklch */ color: oklch(16.9% 0.061 24.2);

Tailwind

colors: {
  custom: {
    50: '#5f4748',
    500: '#240203',
    950: '#000000',
  },
}

SCSS

$custom: #240203;
$custom-light: #5f4748;
$custom-dark: #000000;

JSON

{
  "hex": "#240203",
  "rgb": {
    "r": 36,
    "g": 2,
    "b": 3
  },
  "hsl": {
    "h": 358.235,
    "s": 89.474,
    "l": 7.451
  },
  "oklch": {
    "l": 0.16947,
    "c": 0.06118,
    "h": 24.2
  },
  "luminance": 0.00425
}

Semantic roles & 50–950 ramp

primary

#240203

secondary

#186A67

accent

#FFF929

background

#F5F4F4

surface

#E9E6E6

border

#C5C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #240203

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

Preview Lab → · Contrast checker → · Palette generator →