#421FB4#421FB4

#421FB4 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.3% C 0.212 H 282.1°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#421FB4
RGB	rgb(66, 31, 180)
HSL	hsl(254, 71%, 41%)
HSV	hsv(254, 83%, 71%)
CMYK	cmyk(63.3%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(27.93, 54.09, -71.71)
CIE-LCH	lch(27.93, 89.82, 307.03°)
OKLab	oklab(40.34% 0.0443 -0.2069)
OKLCH	oklch(40.34% 0.212 282.1)
XYZ	xyz(10.9724, 5.4327, 43.6416)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FB4 #91B41F

analogous

#1F47B4 #421FB4 #8D1FB4

triadic

#421FB4 #B4421F #1FB442

tetradic

#421FB4 #B41F47 #91B41F #1FB48D

square

#421FB4 #B41F47 #91B41F #1FB48D

split-complementary

#421FB4 #B48D1F #47B41F

monochromatic

#1C0D4C #2F1680 #421FB4 #5C34DC #8668E5

Accessibility & contrast

On white

10.06

#421FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#421FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FB4

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FB4	#FFFFFF	#000000	##FFFFFF
##421FB4	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #421fb4;
/* rgb */ color: rgb(66, 31, 180);
/* oklch */ color: oklch(40.3% 0.212 282.1);

Tailwind

colors: {
  custom: {
    50: '#8661cc',
    500: '#421fb4',
    950: '#000000',
  },
}

SCSS

$custom: #421fb4;
$custom-light: #8661cc;
$custom-dark: #000000;

JSON

{
  "hex": "#421fb4",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 254.094,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40338,
    "c": 0.21158,
    "h": 282.1
  },
  "luminance": 0.05434
}

Semantic roles & 50–950 ramp

primary

#421FB4

secondary

#B3CB64

accent

#ED3AC3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0514

muted

#7D7A82

Preview Lab

Preview with #421FB4

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

Preview Lab → · Contrast checker → · Palette generator →