#42288E#42288E

#42288E is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.6% C 0.158 H 288.0°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#42288E
RGB	rgb(66, 40, 142)
HSL	hsl(255, 56%, 36%)
HSV	hsv(255, 72%, 56%)
CMYK	cmyk(53.5%, 71.8%, 0%, 44.3%)
CIE-LAB	lab(25.65, 38.56, -52.37)
CIE-LCH	lch(25.65, 65.04, 306.36°)
OKLab	oklab(37.59% 0.0488 -0.1504)
OKLCH	oklch(37.59% 0.158 288)
XYZ	xyz(7.8866, 4.6284, 26.0638)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42288E #748E28

analogous

#28418E #42288E #75288E

triadic

#42288E #8E4228 #288E42

tetradic

#42288E #8E2841 #748E28 #288E75

square

#42288E #8E2841 #748E28 #288E75

split-complementary

#42288E #8E7528 #418E28

monochromatic

#160D2F #2C1B5E #42288E #5835BE #7C5FD2

Accessibility & contrast

On white

10.90

#42288E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#42288E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42288E

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42288E	#FFFFFF	#000000	##FFFFFF
##42288E	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#254358

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #42288e;
/* rgb */ color: rgb(66, 40, 142);
/* oklch */ color: oklch(37.6% 0.158 288.0);

Tailwind

colors: {
  custom: {
    50: '#7e64b0',
    500: '#42288e',
    950: '#000000',
  },
}

SCSS

$custom: #42288e;
$custom-light: #7e64b0;
$custom-dark: #000000;

JSON

{
  "hex": "#42288e",
  "rgb": {
    "r": 66,
    "g": 40,
    "b": 142
  },
  "hsl": {
    "h": 255.294,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37593,
    "c": 0.15817,
    "h": 288
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#42288E

secondary

#A0B75B

accent

#DF48B9

background

#F8F6FA

surface

#EFEBF5

border

#CAC6CF

text

#0B0511

muted

#7C7A80

Preview Lab

Preview with #42288E

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

Preview Lab → · Contrast checker → · Palette generator →