#421FB2#421FB2

#421FB2 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.1% C 0.209 H 282.4°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#421FB2
RGB	rgb(66, 31, 178)
HSL	hsl(254, 70%, 41%)
HSV	hsv(254, 83%, 70%)
CMYK	cmyk(62.9%, 82.6%, 0%, 30.2%)
CIE-LAB	lab(27.71, 53.53, -70.88)
CIE-LCH	lch(27.71, 88.82, 307.06°)
OKLab	oklab(40.12% 0.045 -0.2045)
OKLCH	oklch(40.12% 0.209 282.4)
XYZ	xyz(10.7701, 5.3518, 42.5763)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FB2 #8FB21F

analogous

#1F45B2 #421FB2 #8B1FB2

triadic

#421FB2 #B2421F #1FB242

tetradic

#421FB2 #B21F45 #8FB21F #1FB28B

square

#421FB2 #B21F45 #8FB21F #1FB28B

split-complementary

#421FB2 #B28B1F #45B21F

monochromatic

#1B0D4A #2F167E #421FB2 #5B33DB #8567E5

Accessibility & contrast

On white

10.14

#421FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#421FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FB2

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FB2	#FFFFFF	#000000	##FFFFFF
##421FB2	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B6

Deuteranopia (green-blind)

#003CAF

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #421fb2;
/* rgb */ color: rgb(66, 31, 178);
/* oklch */ color: oklch(40.1% 0.209 282.4);

Tailwind

colors: {
  custom: {
    50: '#8661ca',
    500: '#421fb2',
    950: '#000000',
  },
}

SCSS

$custom: #421fb2;
$custom-light: #8661ca;
$custom-dark: #000000;

JSON

{
  "hex": "#421fb2",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 178
  },
  "hsl": {
    "h": 254.286,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40123,
    "c": 0.20936,
    "h": 282.4
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#421FB2

secondary

#B1CA63

accent

#ED3BC3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0513

muted

#7D7A82

Preview Lab

Preview with #421FB2

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

Preview Lab → · Contrast checker → · Palette generator →