#421C64#421C64

#421C64 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.2% C 0.122 H 304.6°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#421C64
RGB	rgb(66, 28, 100)
HSL	hsl(272, 56%, 25%)
HSV	hsv(272, 72%, 39%)
CMYK	cmyk(34%, 72%, 0%, 60.8%)
CIE-LAB	lab(19.68, 33.10, -35.31)
CIE-LCH	lch(19.68, 48.40, 313.14°)
OKLab	oklab(32.21% 0.0692 -0.1003)
OKLCH	oklch(32.21% 0.122 304.6)
XYZ	xyz(4.9618, 2.9089, 12.3542)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C64 #3E641C

analogous

#1E1C64 #421C64 #641C62

triadic

#421C64 #64421C #1C6442

tetradic

#421C64 #641E1C #3E641C #1C6264

square

#421C64 #641E1C #3E641C #1C6264

split-complementary

#421C64 #62641C #1C641E

monochromatic

#100718 #220F34 #421C64 #622994 #8137C4

Accessibility & contrast

On white

13.28

#421C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#421C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C64

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C64	#FFFFFF	#000000	##FFFFFF
##421C64	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F66

Deuteranopia (green-blind)

#033062

Tritanopia (blue-blind)

#3C2C3D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421c64;
/* rgb */ color: rgb(66, 28, 100);
/* oklch */ color: oklch(32.2% 0.122 304.6);

Tailwind

colors: {
  custom: {
    50: '#7a5b91',
    500: '#421c64',
    950: '#000000',
  },
}

SCSS

$custom: #421c64;
$custom-light: #7a5b91;
$custom-dark: #000000;

JSON

{
  "hex": "#421c64",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 271.667,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32209,
    "c": 0.12182,
    "h": 304.6
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#421C64

secondary

#6B9943

accent

#E04890

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040D

muted

#7B797D

Preview Lab

Preview with #421C64

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

Preview Lab → · Contrast checker → · Palette generator →