#421FB1#421FB1

#421FB1 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.0% C 0.208 H 282.6°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#421FB1
RGB	rgb(66, 31, 177)
HSL	hsl(254, 70%, 41%)
HSV	hsv(254, 82%, 69%)
CMYK	cmyk(62.7%, 82.5%, 0%, 30.6%)
CIE-LAB	lab(27.61, 53.25, -70.46)
CIE-LCH	lch(27.61, 88.32, 307.08°)
OKLab	oklab(40.02% 0.0454 -0.2032)
OKLCH	oklch(40.02% 0.208 282.6)
XYZ	xyz(10.6701, 5.3118, 42.0495)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FB1 #8EB11F

analogous

#1F45B1 #421FB1 #8B1FB1

triadic

#421FB1 #B1421F #1FB142

tetradic

#421FB1 #B11F45 #8EB11F #1FB18B

square

#421FB1 #B11F45 #8EB11F #1FB18B

split-complementary

#421FB1 #B18B1F #45B11F

monochromatic

#1B0D49 #2F167D #421FB1 #5B32DB #8466E4

Accessibility & contrast

On white

10.18

#421FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#421FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FB1

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FB1	#FFFFFF	#000000	##FFFFFF
##421FB1	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B5

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #421fb1;
/* rgb */ color: rgb(66, 31, 177);
/* oklch */ color: oklch(40.0% 0.208 282.6);

Tailwind

colors: {
  custom: {
    50: '#8561ca',
    500: '#421fb1',
    950: '#000000',
  },
}

SCSS

$custom: #421fb1;
$custom-light: #8561ca;
$custom-dark: #000000;

JSON

{
  "hex": "#421fb1",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 177
  },
  "hsl": {
    "h": 254.384,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40015,
    "c": 0.20824,
    "h": 282.6
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#421FB1

secondary

#B1CA62

accent

#ED3BC2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0513

muted

#7D7A82

Preview Lab

Preview with #421FB1

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

Preview Lab → · Contrast checker → · Palette generator →