#42187B#42187B

#42187B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.8% C 0.154 H 296.3°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#42187B
RGB	rgb(66, 24, 123)
HSL	hsl(265, 67%, 29%)
HSV	hsv(265, 80%, 48%)
CMYK	cmyk(46.3%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(20.99, 41.28, -48.07)
CIE-LCH	lch(20.99, 63.36, 310.66°)
OKLab	oklab(33.76% 0.068 -0.1377)
OKLCH	oklch(33.76% 0.154 296.3)
XYZ	xyz(6.1476, 3.2414, 19.0368)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42187B #517B18

analogous

#181F7B #42187B #74187B

triadic

#42187B #7B4218 #187B42

tetradic

#42187B #7B181F #517B18 #187B74

square

#42187B #7B181F #517B18 #187B74

split-complementary

#42187B #7B7418 #1F7B18

monochromatic

#0E051A #270E48 #42187B #5D22AE #7A36D8

Accessibility & contrast

On white

12.74

#42187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#42187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42187B

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42187B	#FFFFFF	#000000	##FFFFFF
##42187B	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#323349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #42187b;
/* rgb */ color: rgb(66, 24, 123);
/* oklch */ color: oklch(33.8% 0.154 296.3);

Tailwind

colors: {
  custom: {
    50: '#7d5aa2',
    500: '#42187b',
    950: '#000000',
  },
}

SCSS

$custom: #42187b;
$custom-light: #7d5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#42187b",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 265.455,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33761,
    "c": 0.1536,
    "h": 296.3
  },
  "luminance": 0.03242
}

Semantic roles & 50–950 ramp

primary

#42187B

secondary

#80B03F

accent

#EA3EA1

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #42187B

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

Preview Lab → · Contrast checker → · Palette generator →