#42105A#42105A

#42105A is a dark, vivid purple. Relative luminance 0.023; OKLCH L 29.9% C 0.126 H 311.8°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#42105A
RGB	rgb(66, 16, 90)
HSL	hsl(281, 70%, 21%)
HSV	hsv(281, 82%, 35%)
CMYK	cmyk(26.7%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(16.83, 36.33, -33.28)
CIE-LCH	lch(16.83, 49.27, 317.51°)
OKLab	oklab(29.93% 0.0843 -0.0942)
OKLCH	oklch(29.93% 0.126 311.8)
XYZ	xyz(4.2772, 2.2671, 9.8832)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42105A #285A10

analogous

#1D105A #42105A #5A104D

triadic

#42105A #5A4210 #105A42

tetradic

#42105A #5A1D10 #285A10 #104D5A

square

#42105A #5A1D10 #285A10 #104D5A

split-complementary

#42105A #4D5A10 #105A1D

monochromatic

#13051A #1C0726 #42105A #68198E #8E22C2

Accessibility & contrast

On white

14.45

#42105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#42105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42105A

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42105A	#FFFFFF	#000000	##FFFFFF
##42105A	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#042A58

Tritanopia (blue-blind)

#3F2234

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #42105a;
/* rgb */ color: rgb(66, 16, 90);
/* oklch */ color: oklch(29.9% 0.126 311.8);

Tailwind

colors: {
  custom: {
    50: '#7a5589',
    500: '#42105a',
    950: '#000000',
  },
}

SCSS

$custom: #42105a;
$custom-light: #7a5589;
$custom-dark: #000000;

JSON

{
  "hex": "#42105a",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 280.541,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29933,
    "c": 0.12645,
    "h": 311.8
  },
  "luminance": 0.02267
}

Semantic roles & 50–950 ramp

primary

#42105A

secondary

#529333

accent

#ED3B75

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030B

muted

#7B787C

Preview Lab

Preview with #42105A

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

Preview Lab → · Contrast checker → · Palette generator →