#421F99#421F99

#421F99 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.181 H 287.1°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#421F99
RGB	rgb(66, 31, 153)
HSL	hsl(257, 66%, 36%)
HSV	hsv(257, 80%, 60%)
CMYK	cmyk(56.9%, 79.7%, 0%, 40%)
CIE-LAB	lab(25.07, 46.44, -60.11)
CIE-LCH	lch(25.07, 75.96, 307.69°)
OKLab	oklab(37.51% 0.0532 -0.173)
OKLCH	oklch(37.51% 0.181 287.1)
XYZ	xyz(8.4848, 4.4377, 30.5403)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F99 #76991F

analogous

#1F3999 #421F99 #7F1F99

triadic

#421F99 #99421F #1F9942

tetradic

#421F99 #991F39 #76991F #1F997F

square

#421F99 #991F39 #76991F #1F997F

split-complementary

#421F99 #997F1F #39991F

monochromatic

#160A33 #2C1566 #421F99 #5829CC #7C56DD

Accessibility & contrast

On white

11.13

#421F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#421F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F99

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F99	#FFFFFF	#000000	##FFFFFF
##421F99	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#1A435C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421f99;
/* rgb */ color: rgb(66, 31, 153);
/* oklch */ color: oklch(37.5% 0.181 287.1);

Tailwind

colors: {
  custom: {
    50: '#8160b8',
    500: '#421f99',
    950: '#000000',
  },
}

SCSS

$custom: #421f99;
$custom-light: #8160b8;
$custom-dark: #000000;

JSON

{
  "hex": "#421f99",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 257.213,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37506,
    "c": 0.18105,
    "h": 287.1
  },
  "luminance": 0.04438
}

Semantic roles & 50–950 ramp

primary

#421F99

secondary

#A1C054

accent

#E93FB8

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421F99

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

Preview Lab → · Contrast checker → · Palette generator →