#421FAB#421FAB

#421FAB is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.4% C 0.202 H 283.6°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#421FAB
RGB	rgb(66, 31, 171)
HSL	hsl(255, 69%, 40%)
HSV	hsv(255, 82%, 67%)
CMYK	cmyk(61.4%, 81.9%, 0%, 32.9%)
CIE-LAB	lab(26.96, 51.56, -67.94)
CIE-LCH	lch(26.96, 85.29, 307.20°)
OKLab	oklab(39.38% 0.0474 -0.1959)
OKLCH	oklch(39.38% 0.202 283.6)
XYZ	xyz(10.0852, 5.0778, 38.9689)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FAB #88AB1F

analogous

#1F42AB #421FAB #881FAB

triadic

#421FAB #AB421F #1FAB42

tetradic

#421FAB #AB1F42 #88AB1F #1FAB88

square

#421FAB #AB1F42 #88AB1F #1FAB88

split-complementary

#421FAB #AB881F #42AB1F

monochromatic

#1A0C43 #2E1677 #421FAB #592ED9 #8262E3

Accessibility & contrast

On white

10.42

#421FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#421FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FAB

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FAB	#FFFFFF	#000000	##FFFFFF
##421FAB	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AF

Deuteranopia (green-blind)

#003BA9

Tritanopia (blue-blind)

#004A66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #421fab;
/* rgb */ color: rgb(66, 31, 171);
/* oklch */ color: oklch(39.4% 0.202 283.6);

Tailwind

colors: {
  custom: {
    50: '#8461c5',
    500: '#421fab',
    950: '#000000',
  },
}

SCSS

$custom: #421fab;
$custom-light: #8461c5;
$custom-dark: #000000;

JSON

{
  "hex": "#421fab",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 171
  },
  "hsl": {
    "h": 255,
    "s": 69.307,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39375,
    "c": 0.20153,
    "h": 283.6
  },
  "luminance": 0.05078
}

Semantic roles & 50–950 ramp

primary

#421FAB

secondary

#ADC75E

accent

#EC3CC0

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #421FAB

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

Preview Lab → · Contrast checker → · Palette generator →