#42108D#42108D

#42108D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.9% C 0.180 H 291.8°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#42108D
RGB	rgb(66, 16, 141)
HSL	hsl(264, 80%, 31%)
HSV	hsv(264, 89%, 55%)
CMYK	cmyk(53.2%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(21.77, 49.14, -58.13)
CIE-LCH	lch(21.77, 76.11, 310.21°)
OKLab	oklab(34.86% 0.0668 -0.1671)
OKLCH	oklch(34.86% 0.18 291.8)
XYZ	xyz(7.2384, 3.4516, 25.4790)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42108D #5B8D10

analogous

#101C8D #42108D #80108D

triadic

#42108D #8D4210 #108D42

tetradic

#42108D #8D101C #5B8D10 #108D80

square

#42108D #8D101C #5B8D10 #108D80

split-complementary

#42108D #8D8010 #1C8D10

monochromatic

#0F041F #280A56 #42108D #5C16C4 #7930E7

Accessibility & contrast

On white

12.42

#42108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#42108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42108D

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42108D	#FFFFFF	#000000	##FFFFFF
##42108D	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#273852

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #42108d;
/* rgb */ color: rgb(66, 16, 141);
/* oklch */ color: oklch(34.9% 0.180 291.8);

Tailwind

colors: {
  custom: {
    50: '#8058b0',
    500: '#42108d',
    950: '#000000',
  },
}

SCSS

$custom: #42108d;
$custom-light: #8058b0;
$custom-dark: #000000;

JSON

{
  "hex": "#42108d",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 264,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34855,
    "c": 0.17992,
    "h": 291.8
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary

#42108D

secondary

#8AC237

accent

#F632A8

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #42108D

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

Preview Lab → · Contrast checker → · Palette generator →