#40105D#40105D

#40105D is a dark, vivid violet. Relative luminance 0.023; OKLCH L 29.9% C 0.129 H 308.7°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#40105D
RGB	rgb(64, 16, 93)
HSL	hsl(277, 71%, 21%)
HSV	hsv(277, 83%, 36%)
CMYK	cmyk(31.2%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(16.75, 36.64, -35.43)
CIE-LCH	lch(16.75, 50.97, 315.96°)
OKLab	oklab(29.89% 0.0806 -0.1006)
OKLCH	oklch(29.89% 0.129 308.7)
XYZ	xyz(4.2750, 2.2510, 10.5631)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40105D #2D5D10

analogous

#1A105D #40105D #5D1054

triadic

#40105D #5D4010 #105D40

tetradic

#40105D #5D1A10 #2D5D10 #10545D

square

#40105D #5D1A10 #2D5D10 #10545D

split-complementary

#40105D #545D10 #105D1A

monochromatic

#12041A #1C0729 #40105D #641991 #8822C5

Accessibility & contrast

On white

14.48

#40105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#40105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40105D

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40105D	#FFFFFF	#000000	##FFFFFF
##40105D	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285F

Deuteranopia (green-blind)

#002A5B

Tritanopia (blue-blind)

#3B2336

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #40105d;
/* rgb */ color: rgb(64, 16, 93);
/* oklch */ color: oklch(29.9% 0.129 308.7);

Tailwind

colors: {
  custom: {
    50: '#79548b',
    500: '#40105d',
    950: '#000000',
  },
}

SCSS

$custom: #40105d;
$custom-light: #79548b;
$custom-dark: #000000;

JSON

{
  "hex": "#40105d",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 277.403,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.2989,
    "c": 0.12894,
    "h": 308.7
  },
  "luminance": 0.02251
}

Semantic roles & 50–950 ramp

primary

#40105D

secondary

#589633

accent

#ED3A7E

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #40105D

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

Preview Lab → · Contrast checker → · Palette generator →