#421F9A#421F9A

#421F9A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.182 H 286.9°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#421F9A
RGB	rgb(66, 31, 154)
HSL	hsl(257, 66%, 36%)
HSV	hsv(257, 80%, 60%)
CMYK	cmyk(57.1%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(25.17, 46.73, -60.56)
CIE-LCH	lch(25.17, 76.49, 307.66°)
OKLab	oklab(37.61% 0.0529 -0.1743)
OKLCH	oklch(37.61% 0.182 286.9)
XYZ	xyz(8.5677, 4.4708, 30.9771)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F9A #779A1F

analogous

#1F3A9A #421F9A #801F9A

triadic

#421F9A #9A421F #1F9A42

tetradic

#421F9A #9A1F3A #779A1F #1F9A80

square

#421F9A #9A1F3A #779A1F #1F9A80

split-complementary

#421F9A #9A801F #3A9A1F

monochromatic

#160A34 #2C1567 #421F9A #5829CD #7D56DD

Accessibility & contrast

On white

11.09

#421F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#421F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F9A

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F9A	#FFFFFF	#000000	##FFFFFF
##421F9A	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003898

Tritanopia (blue-blind)

#19435C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421f9a;
/* rgb */ color: rgb(66, 31, 154);
/* oklch */ color: oklch(37.6% 0.182 286.9);

Tailwind

colors: {
  custom: {
    50: '#8160b9',
    500: '#421f9a',
    950: '#000000',
  },
}

SCSS

$custom: #421f9a;
$custom-light: #8160b9;
$custom-dark: #000000;

JSON

{
  "hex": "#421f9a",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 257.073,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37607,
    "c": 0.1822,
    "h": 286.9
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#421F9A

secondary

#A2C154

accent

#E93EB9

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #421F9A

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

Preview Lab → · Contrast checker → · Palette generator →