#421C66#421C66

#421C66 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.124 H 303.7°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#421C66
RGB	rgb(66, 28, 102)
HSL	hsl(271, 57%, 25%)
HSV	hsv(271, 73%, 40%)
CMYK	cmyk(35.3%, 72.5%, 0%, 60%)
CIE-LAB	lab(19.83, 33.63, -36.37)
CIE-LCH	lch(19.83, 49.53, 312.76°)
OKLab	oklab(32.37% 0.0689 -0.1034)
OKLCH	oklch(32.37% 0.124 303.7)
XYZ	xyz(5.0597, 2.9481, 12.8703)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C66 #40661C

analogous

#1D1C66 #421C66 #661C65

triadic

#421C66 #66421C #1C6642

tetradic

#421C66 #661D1C #40661C #1C6566

square

#421C66 #661D1C #40661C #1C6566

split-complementary

#421C66 #65661C #1C661D

monochromatic

#100718 #230F36 #421C66 #612996 #8036C6

Accessibility & contrast

On white

13.21

#421C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#421C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C66

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C66	#FFFFFF	#000000	##FFFFFF
##421C66	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F68

Deuteranopia (green-blind)

#003064

Tritanopia (blue-blind)

#3B2D3E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421c66;
/* rgb */ color: rgb(66, 28, 102);
/* oklch */ color: oklch(32.4% 0.124 303.7);

Tailwind

colors: {
  custom: {
    50: '#7a5b92',
    500: '#421c66',
    950: '#000000',
  },
}

SCSS

$custom: #421c66;
$custom-light: #7a5b92;
$custom-dark: #000000;

JSON

{
  "hex": "#421c66",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 102
  },
  "hsl": {
    "h": 270.811,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32373,
    "c": 0.12423,
    "h": 303.7
  },
  "luminance": 0.02948
}

Semantic roles & 50–950 ramp

primary

#421C66

secondary

#6E9B43

accent

#E04892

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #421C66

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

Preview Lab → · Contrast checker → · Palette generator →