#421F96#421F96

#421F96 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.178 H 287.8°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#421F96
RGB	rgb(66, 31, 150)
HSL	hsl(258, 66%, 35%)
HSV	hsv(258, 79%, 59%)
CMYK	cmyk(56%, 79.3%, 0%, 41.2%)
CIE-LAB	lab(24.76, 45.58, -58.77)
CIE-LCH	lch(24.76, 74.37, 307.80°)
OKLab	oklab(37.2% 0.0542 -0.1691)
OKLCH	oklch(37.2% 0.178 287.8)
XYZ	xyz(8.2401, 4.3398, 29.2517)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F96 #73961F

analogous

#1F3796 #421F96 #7D1F96

triadic

#421F96 #96421F #1F9642

tetradic

#421F96 #961F37 #73961F #1F967D

square

#421F96 #961F37 #73961F #1F967D

split-complementary

#421F96 #967D1F #37961F

monochromatic

#150A31 #2C1563 #421F96 #5829C9 #7C54DC

Accessibility & contrast

On white

11.24

#421F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#421F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F96

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F96	#FFFFFF	#000000	##FFFFFF
##421F96	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D99

Deuteranopia (green-blind)

#003894

Tritanopia (blue-blind)

#1E415A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421f96;
/* rgb */ color: rgb(66, 31, 150);
/* oklch */ color: oklch(37.2% 0.178 287.8);

Tailwind

colors: {
  custom: {
    50: '#815fb6',
    500: '#421f96',
    950: '#000000',
  },
}

SCSS

$custom: #421f96;
$custom-light: #815fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#421f96",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 150
  },
  "hsl": {
    "h": 257.647,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37202,
    "c": 0.17758,
    "h": 287.8
  },
  "luminance": 0.0434
}

Semantic roles & 50–950 ramp

primary

#421F96

secondary

#9FBF52

accent

#E93FB7

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421F96

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

Preview Lab → · Contrast checker → · Palette generator →