#240B3B#240B3B

#240B3B is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.1% C 0.088 H 303.7°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#240B3B
RGB	rgb(36, 11, 59)
HSL	hsl(271, 69%, 14%)
HSV	hsv(271, 81%, 23%)
CMYK	cmyk(39%, 81.4%, 0%, 76.9%)
CIE-LAB	lab(8.40, 23.96, -25.68)
CIE-LCH	lch(8.40, 35.12, 313.02°)
OKLab	oklab(22.09% 0.0488 -0.073)
OKLCH	oklch(22.09% 0.088 303.7)
XYZ	xyz(1.6365, 0.9302, 4.2302)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#240B3B #223B0B

analogous

#0C0B3B #240B3B #3B0B3A

triadic

#240B3B #3B240B #0B3B24

tetradic

#240B3B #3B0C0B #223B0B #0B3A3B

square

#240B3B #3B0C0B #223B0B #0B3A3B

split-complementary

#240B3B #3A3B0B #0B3B0C

monochromatic

#10051A #10051A #240B3B #43156F #631EA2

Accessibility & contrast

On white

17.71

#240B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#240B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #240B3B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##240B3B	#FFFFFF	#000000	##FFFFFF
##240B3B	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#201622

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #240b3b;
/* rgb */ color: rgb(36, 11, 59);
/* oklch */ color: oklch(22.1% 0.088 303.7);

Tailwind

colors: {
  custom: {
    50: '#614c71',
    500: '#240b3b',
    950: '#000000',
  },
}

SCSS

$custom: #240b3b;
$custom-light: #614c71;
$custom-dark: #000000;

JSON

{
  "hex": "#240b3b",
  "rgb": {
    "r": 36,
    "g": 11,
    "b": 59
  },
  "hsl": {
    "h": 271.25,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.22094,
    "c": 0.08784,
    "h": 303.7
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#240B3B

secondary

#4F782A

accent

#EB3C90

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #240B3B

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

Preview Lab → · Contrast checker → · Palette generator →