#42248B#42248B

#42248B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.8% C 0.159 H 289.5°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#42248B
RGB	rgb(66, 36, 139)
HSL	hsl(257, 59%, 34%)
HSV	hsv(257, 74%, 55%)
CMYK	cmyk(52.5%, 74.1%, 0%, 45.5%)
CIE-LAB	lab(24.59, 39.86, -52.24)
CIE-LCH	lch(24.59, 65.71, 307.34°)
OKLab	oklab(36.75% 0.0531 -0.1501)
OKLCH	oklch(36.75% 0.159 289.5)
XYZ	xyz(7.5365, 4.2838, 24.8508)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42248B #6D8B24

analogous

#243A8B #42248B #76248B

triadic

#42248B #8B4224 #248B42

tetradic

#42248B #8B243A #6D8B24 #248B76

square

#42248B #8B243A #6D8B24 #248B76

split-complementary

#42248B #8B7624 #3A8B24

monochromatic

#140B2A #2B175A #42248B #5931BC #7B56D3

Accessibility & contrast

On white

11.31

#42248B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#42248B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42248B

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42248B	#FFFFFF	#000000	##FFFFFF
##42248B	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#283F55

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #42248b;
/* rgb */ color: rgb(66, 36, 139);
/* oklch */ color: oklch(36.8% 0.159 289.5);

Tailwind

colors: {
  custom: {
    50: '#7e62ae',
    500: '#42248b',
    950: '#000000',
  },
}

SCSS

$custom: #42248b;
$custom-light: #7e62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42248b",
  "rgb": {
    "r": 66,
    "g": 36,
    "b": 139
  },
  "hsl": {
    "h": 257.476,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36755,
    "c": 0.15918,
    "h": 289.5
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#42248B

secondary

#9AB753

accent

#E246B5

background

#F8F5FA

surface

#EFEAF4

border

#CAC6CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #42248B

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

Preview Lab → · Contrast checker → · Palette generator →