#240009#240009

#240009 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.7% C 0.067 H 8.2°. Best body text is #FFFFFF at 19.46:1 contrast (WCAG AA passes).

Color values

HEX	#240009
RGB	rgb(36, 0, 9)
HSL	hsl(345, 100%, 7%)
HSV	hsv(345, 100%, 14%)
CMYK	cmyk(0%, 100%, 75%, 85.9%)
CIE-LAB	lab(3.57, 16.45, 1.95)
CIE-LCH	lch(3.57, 16.56, 6.76°)
OKLab	oklab(16.67% 0.0661 0.0095)
OKLCH	oklch(16.67% 0.067 8.2)
XYZ	xyz(0.7769, 0.3949, 0.2937)
Luminance	0.0040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240009 #00241B

analogous

#24001B #240009 #240900

triadic

#240009 #092400 #000924

tetradic

#240009 #1B2400 #00241B #090024

square

#240009 #1B2400 #00241B #090024

split-complementary

#240009 #002409 #001B24

monochromatic

#1F0008 #1F0008 #240009 #610018 #9E0028

Accessibility & contrast

On white

19.46

#240009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#240009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240009

19.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240009	#FFFFFF	#000000	##FFFFFF
##240009	1.00	19.46	1.08	19.46
#FFFFFF	19.46	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070809

Deuteranopia (green-blind)

#121008

Tritanopia (blue-blind)

#280003

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #240009;
/* rgb */ color: rgb(36, 0, 9);
/* oklch */ color: oklch(16.7% 0.067 8.2);

Tailwind

colors: {
  custom: {
    50: '#5f464b',
    500: '#240009',
    950: '#000000',
  },
}

SCSS

$custom: #240009;
$custom-light: #5f464b;
$custom-dark: #000000;

JSON

{
  "hex": "#240009",
  "rgb": {
    "r": 36,
    "g": 0,
    "b": 9
  },
  "hsl": {
    "h": 345,
    "s": 100,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16674,
    "c": 0.06676,
    "h": 8.2
  },
  "luminance": 0.00395
}

Semantic roles & 50–950 ramp

primary

#240009

secondary

#136D56

accent

#FFC929

background

#F5F3F4

surface

#E9E5E7

border

#C5C1C3

text

#050001

muted

#797777

Preview Lab

Preview with #240009

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

Preview Lab → · Contrast checker → · Palette generator →