#240000#240000

#240000 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.3% C 0.067 H 29.2°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#240000
RGB	rgb(36, 0, 0)
HSL	hsl(0, 100%, 7%)
HSV	hsv(0, 100%, 14%)
CMYK	cmyk(0%, 100%, 100%, 85.9%)
CIE-LAB	lab(3.39, 15.20, 5.36)
CIE-LCH	lch(3.39, 16.12, 19.41°)
OKLab	oklab(16.35% 0.0585 0.0328)
OKLCH	oklch(16.35% 0.067 29.2)
XYZ	xyz(0.7277, 0.3752, 0.0341)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240000 #002424

analogous

#240012 #240000 #241200

triadic

#240000 #002400 #000024

tetradic

#240000 #122400 #002424 #120024

square

#240000 #122400 #002424 #120024

split-complementary

#240000 #002412 #001224

monochromatic

#1F0000 #1F0000 #240000 #610000 #9E0000

Accessibility & contrast

On white

19.53

#240000 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#240000 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240000

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240000	#FFFFFF	#000000	##FFFFFF
##240000	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090700

Deuteranopia (green-blind)

#130F00

Tritanopia (blue-blind)

#290000

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #240000;
/* rgb */ color: rgb(36, 0, 0);
/* oklch */ color: oklch(16.3% 0.067 29.2);

Tailwind

colors: {
  custom: {
    50: '#5f4647',
    500: '#240000',
    950: '#000000',
  },
}

SCSS

$custom: #240000;
$custom-light: #5f4647;
$custom-dark: #000000;

JSON

{
  "hex": "#240000",
  "rgb": {
    "r": 36,
    "g": 0,
    "b": 0
  },
  "hsl": {
    "h": 0,
    "s": 100,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16347,
    "c": 0.06708,
    "h": 29.2
  },
  "luminance": 0.00375
}

Semantic roles & 50–950 ramp

primary

#240000

secondary

#136D6D

accent

#FFFF29

background

#F5F3F3

surface

#E9E5E5

border

#C5C1C1

text

#050000

muted

#797777

Preview Lab

Preview with #240000

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

Preview Lab → · Contrast checker → · Palette generator →