#421CB4#421CB4

#421CB4 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.1% C 0.214 H 282.3°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#421CB4
RGB	rgb(66, 28, 180)
HSL	hsl(255, 73%, 41%)
HSV	hsv(255, 84%, 71%)
CMYK	cmyk(63.3%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(27.53, 55.29, -72.39)
CIE-LCH	lch(27.53, 91.09, 307.37°)
OKLab	oklab(40.06% 0.0457 -0.2088)
OKLCH	oklch(40.06% 0.214 282.3)
XYZ	xyz(10.8977, 5.2832, 43.6167)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421CB4 #8EB41C

analogous

#1C42B4 #421CB4 #8E1CB4

triadic

#421CB4 #B4421C #1CB442

tetradic

#421CB4 #B41C42 #8EB41C #1CB48E

square

#421CB4 #B41C42 #8EB41C #1CB48E

split-complementary

#421CB4 #B48E1C #42B41C

monochromatic

#1B0C4A #2F147F #421CB4 #5B2FDF #8464E7

Accessibility & contrast

On white

10.21

#421CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#421CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421CB4

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421CB4	#FFFFFF	#000000	##FFFFFF
##421CB4	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #421cb4;
/* rgb */ color: rgb(66, 28, 180);
/* oklch */ color: oklch(40.1% 0.214 282.3);

Tailwind

colors: {
  custom: {
    50: '#8660cc',
    500: '#421cb4',
    950: '#000000',
  },
}

SCSS

$custom: #421cb4;
$custom-light: #8660cc;
$custom-dark: #000000;

JSON

{
  "hex": "#421cb4",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 255,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40059,
    "c": 0.21374,
    "h": 282.3
  },
  "luminance": 0.05284
}

Semantic roles & 50–950 ramp

primary

#421CB4

secondary

#B1CC60

accent

#F038C2

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #421CB4

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

Preview Lab → · Contrast checker → · Palette generator →