#42188F#42188F

#42188F is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.176 H 290.4°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#42188F
RGB	rgb(66, 24, 143)
HSL	hsl(261, 71%, 33%)
HSV	hsv(261, 83%, 56%)
CMYK	cmyk(53.8%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(22.98, 46.73, -57.38)
CIE-LCH	lch(22.98, 74.00, 309.16°)
OKLab	oklab(35.75% 0.0613 -0.165)
OKLCH	oklch(35.75% 0.176 290.4)
XYZ	xyz(7.5299, 3.7944, 26.3169)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42188F #658F18

analogous

#182A8F #42188F #7D188F

triadic

#42188F #8F4218 #188F42

tetradic

#42188F #8F182A #658F18 #188F7D

square

#42188F #8F182A #658F18 #188F7D

split-complementary

#42188F #8F7D18 #2A8F18

monochromatic

#120626 #2A0F5B #42188F #5A21C3 #7A42DF

Accessibility & contrast

On white

11.94

#42188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#42188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42188F

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42188F	#FFFFFF	#000000	##FFFFFF
##42188F	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#253C55

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #42188f;
/* rgb */ color: rgb(66, 24, 143);
/* oklch */ color: oklch(35.7% 0.176 290.4);

Tailwind

colors: {
  custom: {
    50: '#805cb1',
    500: '#42188f',
    950: '#000000',
  },
}

SCSS

$custom: #42188f;
$custom-light: #805cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#42188f",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 261.176,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35749,
    "c": 0.176,
    "h": 290.4
  },
  "luminance": 0.03795
}

Semantic roles & 50–950 ramp

primary

#42188F

secondary

#94C043

accent

#EE3AAE

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #42188F

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

Preview Lab → · Contrast checker → · Palette generator →