#42105E#42105E

#42105E is a dark, vivid violet. Relative luminance 0.023; OKLCH L 30.3% C 0.131 H 309.7°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#42105E
RGB	rgb(66, 16, 94)
HSL	hsl(278, 71%, 22%)
HSV	hsv(278, 83%, 37%)
CMYK	cmyk(29.8%, 83%, 0%, 63.1%)
CIE-LAB	lab(17.17, 37.28, -35.41)
CIE-LCH	lch(17.17, 51.42, 316.48°)
OKLab	oklab(30.27% 0.0834 -0.1005)
OKLCH	oklch(30.27% 0.131 309.7)
XYZ	xyz(4.4520, 2.3371, 10.8041)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42105E #2C5E10

analogous

#1B105E #42105E #5E1053

triadic

#42105E #5E4210 #105E42

tetradic

#42105E #5E1B10 #2C5E10 #10535E

square

#42105E #5E1B10 #2C5E10 #10535E

split-complementary

#42105E #535E10 #105E1B

monochromatic

#12041A #1D072A #42105E #671992 #8B22C7

Accessibility & contrast

On white

14.31

#42105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#42105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42105E

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42105E	#FFFFFF	#000000	##FFFFFF
##42105E	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002860

Deuteranopia (green-blind)

#002B5C

Tritanopia (blue-blind)

#3E2337

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #42105e;
/* rgb */ color: rgb(66, 16, 94);
/* oklch */ color: oklch(30.3% 0.131 309.7);

Tailwind

colors: {
  custom: {
    50: '#7a558c',
    500: '#42105e',
    950: '#000000',
  },
}

SCSS

$custom: #42105e;
$custom-light: #7a558c;
$custom-dark: #000000;

JSON

{
  "hex": "#42105e",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 278.462,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.30274,
    "c": 0.13061,
    "h": 309.7
  },
  "luminance": 0.02337
}

Semantic roles & 50–950 ramp

primary

#42105E

secondary

#579733

accent

#EE3A7B

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A030C

muted

#7C787D

Preview Lab

Preview with #42105E

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

Preview Lab → · Contrast checker → · Palette generator →