#42105B#42105B

#42105B is a dark, vivid purple. Relative luminance 0.023; OKLCH L 30.0% C 0.127 H 311.3°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#42105B
RGB	rgb(66, 16, 91)
HSL	hsl(280, 70%, 21%)
HSV	hsv(280, 82%, 36%)
CMYK	cmyk(27.5%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(16.91, 36.57, -33.81)
CIE-LCH	lch(16.91, 49.81, 317.24°)
OKLab	oklab(30.02% 0.0841 -0.0958)
OKLCH	oklch(30.02% 0.127 311.3)
XYZ	xyz(4.3200, 2.2843, 10.1088)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42105B #295B10

analogous

#1C105B #42105B #5B104E

triadic

#42105B #5B4210 #105B42

tetradic

#42105B #5B1C10 #295B10 #104E5B

square

#42105B #5B1C10 #295B10 #104E5B

split-complementary

#42105B #4E5B10 #105B1C

monochromatic

#13051A #1C0727 #42105B #68198F #8D22C3

Accessibility & contrast

On white

14.42

#42105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#42105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42105B

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42105B	#FFFFFF	#000000	##FFFFFF
##42105B	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#022B59

Tritanopia (blue-blind)

#3F2235

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #42105b;
/* rgb */ color: rgb(66, 16, 91);
/* oklch */ color: oklch(30.0% 0.127 311.3);

Tailwind

colors: {
  custom: {
    50: '#7a558a',
    500: '#42105b',
    950: '#000000',
  },
}

SCSS

$custom: #42105b;
$custom-light: #7a558a;
$custom-dark: #000000;

JSON

{
  "hex": "#42105b",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 280,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30018,
    "c": 0.12749,
    "h": 311.3
  },
  "luminance": 0.02284
}

Semantic roles & 50–950 ramp

primary

#42105B

secondary

#539433

accent

#ED3B76

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #42105B

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

Preview Lab → · Contrast checker → · Palette generator →