#240837#240837

#240837 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.087 H 307.7°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#240837
RGB	rgb(36, 8, 55)
HSL	hsl(276, 75%, 12%)
HSV	hsv(276, 85%, 22%)
CMYK	cmyk(34.5%, 85.5%, 0%, 78.4%)
CIE-LAB	lab(7.45, 24.45, -24.31)
CIE-LCH	lch(7.45, 34.48, 315.16°)
OKLab	oklab(21.3% 0.0535 -0.0691)
OKLCH	oklch(21.3% 0.087 307.7)
XYZ	xyz(1.5038, 0.8246, 3.6936)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240837 #1B3708

analogous

#0D0837 #240837 #370832

triadic

#240837 #372408 #083724

tetradic

#240837 #370D08 #1B3708 #083237

square

#240837 #370D08 #1B3708 #083237

split-complementary

#240837 #323708 #08370D

monochromatic

#11041B #11041B #240837 #47106C #6A18A2

Accessibility & contrast

On white

18.03

#240837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#240837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240837

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240837	#FFFFFF	#000000	##FFFFFF
##240837	1.00	18.03	1.17	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#21131F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #240837;
/* rgb */ color: rgb(36, 8, 55);
/* oklch */ color: oklch(21.3% 0.087 307.7);

Tailwind

colors: {
  custom: {
    50: '#614a6e',
    500: '#240837',
    950: '#000000',
  },
}

SCSS

$custom: #240837;
$custom-light: #614a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#240837",
  "rgb": {
    "r": 36,
    "g": 8,
    "b": 55
  },
  "hsl": {
    "h": 275.745,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.21298,
    "c": 0.08735,
    "h": 307.7
  },
  "luminance": 0.00825
}

Semantic roles & 50–950 ramp

primary

#240837

secondary

#467625

accent

#F13782

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #240837

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

Preview Lab → · Contrast checker → · Palette generator →