#40105B#40105B

#40105B is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.7% C 0.127 H 309.8°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#40105B
RGB	rgb(64, 16, 91)
HSL	hsl(278, 70%, 21%)
HSV	hsv(278, 82%, 36%)
CMYK	cmyk(29.7%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(16.58, 36.15, -34.37)
CIE-LCH	lch(16.58, 49.88, 316.45°)
OKLab	oklab(29.72% 0.0811 -0.0975)
OKLCH	oklch(29.72% 0.127 309.8)
XYZ	xyz(4.1876, 2.2160, 10.1026)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40105B #2B5B10

analogous

#1A105B #40105B #5B1050

triadic

#40105B #5B4010 #105B40

tetradic

#40105B #5B1A10 #2B5B10 #10505B

square

#40105B #5B1A10 #2B5B10 #10505B

split-complementary

#40105B #505B10 #105B1A

monochromatic

#12051A #1B0727 #40105B #65198F #8922C3

Accessibility & contrast

On white

14.55

#40105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#40105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40105B

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40105B	#FFFFFF	#000000	##FFFFFF
##40105B	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#002A59

Tritanopia (blue-blind)

#3C2235

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #40105b;
/* rgb */ color: rgb(64, 16, 91);
/* oklch */ color: oklch(29.7% 0.127 309.8);

Tailwind

colors: {
  custom: {
    50: '#78548a',
    500: '#40105b',
    950: '#000000',
  },
}

SCSS

$custom: #40105b;
$custom-light: #78548a;
$custom-dark: #000000;

JSON

{
  "hex": "#40105b",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 278.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.29716,
    "c": 0.12682,
    "h": 309.8
  },
  "luminance": 0.02216
}

Semantic roles & 50–950 ramp

primary

#40105B

secondary

#569433

accent

#ED3B7B

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #40105B

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

Preview Lab → · Contrast checker → · Palette generator →