#42255D#42255D

#42255D is a dark, moderate violet. Relative luminance 0.033; OKLCH L 33.1% C 0.098 H 305.6°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#42255D
RGB	rgb(66, 37, 93)
HSL	hsl(271, 43%, 25%)
HSV	hsv(271, 60%, 36%)
CMYK	cmyk(29%, 60.2%, 0%, 63.5%)
CIE-LAB	lab(21.10, 25.97, -28.41)
CIE-LCH	lch(21.10, 38.49, 312.43°)
OKLab	oklab(33.08% 0.0573 -0.08)
OKLCH	oklch(33.08% 0.098 305.6)
XYZ	xyz(4.8837, 3.2717, 10.7280)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42255D #405D25

analogous

#26255D #42255D #5D255C

triadic

#42255D #5D4225 #255D42

tetradic

#42255D #5D2625 #405D25 #255C5D

square

#42255D #5D2625 #405D25 #255C5D

split-complementary

#42255D #5C5D25 #255D26

monochromatic

#100916 #231431 #42255D #613689 #8048B5

Accessibility & contrast

On white

12.69

#42255D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#42255D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42255D

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42255D	#FFFFFF	#000000	##FFFFFF
##42255D	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10325F

Deuteranopia (green-blind)

#1B335C

Tritanopia (blue-blind)

#3D303D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #42255d;
/* rgb */ color: rgb(66, 37, 93);
/* oklch */ color: oklch(33.1% 0.098 305.6);

Tailwind

colors: {
  custom: {
    50: '#78618b',
    500: '#42255d',
    950: '#000000',
  },
}

SCSS

$custom: #42255d;
$custom-light: #78618b;
$custom-dark: #000000;

JSON

{
  "hex": "#42255d",
  "rgb": {
    "r": 66,
    "g": 37,
    "b": 93
  },
  "hsl": {
    "h": 271.071,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3308,
    "c": 0.09842,
    "h": 305.6
  },
  "luminance": 0.03272
}

Semantic roles & 50–950 ramp

primary

#42255D

secondary

#6E904D

accent

#D35592

background

#F7F5F8

surface

#EDEAF0

border

#C8C6CB

text

#09050C

muted

#7B797D

Preview Lab

Preview with #42255D

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

Preview Lab → · Contrast checker → · Palette generator →