#42237B#42237B

#42237B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.2% C 0.141 H 294.1°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#42237B
RGB	rgb(66, 35, 123)
HSL	hsl(261, 56%, 31%)
HSV	hsv(261, 72%, 48%)
CMYK	cmyk(46.3%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(22.97, 35.69, -44.83)
CIE-LCH	lch(22.97, 57.31, 308.53°)
OKLab	oklab(35.16% 0.0574 -0.1283)
OKLCH	oklch(35.16% 0.141 294.1)
XYZ	xyz(6.4220, 3.7902, 19.1283)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42237B #5C7B23

analogous

#23307B #42237B #6E237B

triadic

#42237B #7B4223 #237B42

tetradic

#42237B #7B2330 #5C7B23 #237B6E

square

#42237B #7B2330 #5C7B23 #237B6E

split-complementary

#42237B #7B6E23 #307B23

monochromatic

#0F081C #28154B #42237B #5C31AB #794CCC

Accessibility & contrast

On white

11.95

#42237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#42237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42237B

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42237B	#FFFFFF	#000000	##FFFFFF
##42237B	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#32394C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #42237b;
/* rgb */ color: rgb(66, 35, 123);
/* oklch */ color: oklch(35.2% 0.141 294.1);

Tailwind

colors: {
  custom: {
    50: '#7c60a2',
    500: '#42237b',
    950: '#000000',
  },
}

SCSS

$custom: #42237b;
$custom-light: #7c60a2;
$custom-dark: #000000;

JSON

{
  "hex": "#42237b",
  "rgb": {
    "r": 66,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 261.136,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35159,
    "c": 0.14056,
    "h": 294.1
  },
  "luminance": 0.0379
}

Semantic roles & 50–950 ramp

primary

#42237B

secondary

#8BAE4C

accent

#DF49AA

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #42237B

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

Preview Lab → · Contrast checker → · Palette generator →