#240603#240603

#240603 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.8% C 0.053 H 31.6°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#240603
RGB	rgb(36, 6, 3)
HSL	hsl(5, 85%, 8%)
HSV	hsv(5, 92%, 14%)
CMYK	cmyk(0%, 83.3%, 91.7%, 85.9%)
CIE-LAB	lab(4.62, 13.21, 5.94)
CIE-LCH	lch(4.62, 14.49, 24.20°)
OKLab	oklab(17.84% 0.0454 0.0279)
OKLCH	oklch(17.84% 0.053 31.6)
XYZ	xyz(0.8092, 0.5120, 0.1423)
Luminance	0.0051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240603 #032124

analogous

#240310 #240603 #241703

triadic

#240603 #032406 #060324

tetradic

#240603 #102403 #032124 #170324

square

#240603 #102403 #032124 #170324

split-complementary

#240603 #032417 #031024

monochromatic

#1C0502 #1C0502 #240603 #5C0F08 #95190C

Accessibility & contrast

On white

19.05

#240603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#240603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240603

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240603	#FFFFFF	#000000	##FFFFFF
##240603	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C03

Deuteranopia (green-blind)

#161202

Tritanopia (blue-blind)

#290105

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #240603;
/* rgb */ color: rgb(36, 6, 3);
/* oklch */ color: oklch(17.8% 0.053 31.6);

Tailwind

colors: {
  custom: {
    50: '#5f4948',
    500: '#240603',
    950: '#000000',
  },
}

SCSS

$custom: #240603;
$custom-light: #5f4948;
$custom-dark: #000000;

JSON

{
  "hex": "#240603",
  "rgb": {
    "r": 36,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 5.455,
    "s": 84.615,
    "l": 7.647
  },
  "oklch": {
    "l": 0.17843,
    "c": 0.05327,
    "h": 31.6
  },
  "luminance": 0.00512
}

Semantic roles & 50–950 ramp

primary

#240603

secondary

#1B6168

accent

#E8FB2D

background

#F5F4F4

surface

#E9E6E6

border

#C5C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #240603

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

Preview Lab → · Contrast checker → · Palette generator →