#42288A#42288A

#42288A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.2% C 0.153 H 288.9°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#42288A
RGB	rgb(66, 40, 138)
HSL	hsl(256, 55%, 35%)
HSV	hsv(256, 71%, 54%)
CMYK	cmyk(52.2%, 71%, 0%, 45.9%)
CIE-LAB	lab(25.29, 37.35, -50.47)
CIE-LCH	lch(25.29, 62.79, 306.50°)
OKLab	oklab(37.23% 0.0496 -0.1449)
OKLCH	oklch(37.23% 0.153 288.9)
XYZ	xyz(7.5917, 4.5105, 24.5104)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42288A #708A28

analogous

#283F8A #42288A #73288A

triadic

#42288A #8A4228 #288A42

tetradic

#42288A #8A283F #708A28 #288A73

square

#42288A #8A283F #708A28 #288A73

split-complementary

#42288A #8A7328 #3F8A28

monochromatic

#150C2B #2B1A5B #42288A #5936B9 #7B5DD0

Accessibility & contrast

On white

11.04

#42288A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#42288A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42288A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42288A	#FFFFFF	#000000	##FFFFFF
##42288A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#284156

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #42288a;
/* rgb */ color: rgb(66, 40, 138);
/* oklch */ color: oklch(37.2% 0.153 288.9);

Tailwind

colors: {
  custom: {
    50: '#7e64ad',
    500: '#42288a',
    950: '#000000',
  },
}

SCSS

$custom: #42288a;
$custom-light: #7e64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#42288a",
  "rgb": {
    "r": 66,
    "g": 40,
    "b": 138
  },
  "hsl": {
    "h": 255.918,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37228,
    "c": 0.15312,
    "h": 288.9
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#42288A

secondary

#9DB559

accent

#DE49B7

background

#F8F6FA

surface

#EFEBF4

border

#CAC6CE

text

#0B0510

muted

#7C7A7F

Preview Lab

Preview with #42288A

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

Preview Lab → · Contrast checker → · Palette generator →