#42105C#42105C

#42105C is a dark, vivid violet. Relative luminance 0.023; OKLCH L 30.1% C 0.129 H 310.8°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#42105C
RGB	rgb(66, 16, 92)
HSL	hsl(279, 70%, 21%)
HSV	hsv(279, 83%, 36%)
CMYK	cmyk(28.3%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(17.00, 36.81, -34.35)
CIE-LCH	lch(17.00, 50.35, 316.98°)
OKLab	oklab(30.1% 0.0839 -0.0974)
OKLCH	oklch(30.1% 0.129 310.8)
XYZ	xyz(4.3635, 2.3016, 10.3375)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42105C #2A5C10

analogous

#1C105C #42105C #5C1050

triadic

#42105C #5C4210 #105C42

tetradic

#42105C #5C1C10 #2A5C10 #10505C

square

#42105C #5C1C10 #2A5C10 #10505C

split-complementary

#42105C #505C10 #105C1C

monochromatic

#13051A #1D0728 #42105C #671990 #8D22C4

Accessibility & contrast

On white

14.38

#42105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#42105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42105C

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42105C	#FFFFFF	#000000	##FFFFFF
##42105C	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285E

Deuteranopia (green-blind)

#002B5A

Tritanopia (blue-blind)

#3E2236

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #42105c;
/* rgb */ color: rgb(66, 16, 92);
/* oklch */ color: oklch(30.1% 0.129 310.8);

Tailwind

colors: {
  custom: {
    50: '#7a558b',
    500: '#42105c',
    950: '#000000',
  },
}

SCSS

$custom: #42105c;
$custom-light: #7a558b;
$custom-dark: #000000;

JSON

{
  "hex": "#42105c",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 279.474,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30102,
    "c": 0.12853,
    "h": 310.8
  },
  "luminance": 0.02302
}

Semantic roles & 50–950 ramp

primary

#42105C

secondary

#549533

accent

#ED3B78

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #42105C

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

Preview Lab → · Contrast checker → · Palette generator →