#421C68#421C68

#421C68 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.127 H 302.8°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#421C68
RGB	rgb(66, 28, 104)
HSL	hsl(270, 58%, 26%)
HSV	hsv(270, 73%, 41%)
CMYK	cmyk(36.5%, 73.1%, 0%, 59.2%)
CIE-LAB	lab(20.00, 34.17, -37.42)
CIE-LCH	lch(20.00, 50.67, 312.40°)
OKLab	oklab(32.54% 0.0686 -0.1065)
OKLCH	oklch(32.54% 0.127 302.8)
XYZ	xyz(5.1601, 2.9882, 13.3990)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C68 #42681C

analogous

#1C1C68 #421C68 #681C68

triadic

#421C68 #68421C #1C6842

tetradic

#421C68 #681C1C #42681C #1C6868

square

#421C68 #681C1C #42681C #1C6868

split-complementary

#421C68 #68681C #1C681C

monochromatic

#0F0618 #230F38 #421C68 #612998 #7F36C8

Accessibility & contrast

On white

13.14

#421C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#421C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C68

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C68	#FFFFFF	#000000	##FFFFFF
##421C68	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306A

Deuteranopia (green-blind)

#003066

Tritanopia (blue-blind)

#3A2E3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421c68;
/* rgb */ color: rgb(66, 28, 104);
/* oklch */ color: oklch(32.5% 0.127 302.8);

Tailwind

colors: {
  custom: {
    50: '#7a5b94',
    500: '#421c68',
    950: '#000000',
  },
}

SCSS

$custom: #421c68;
$custom-light: #7a5b94;
$custom-dark: #000000;

JSON

{
  "hex": "#421c68",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 104
  },
  "hsl": {
    "h": 270,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3254,
    "c": 0.12663,
    "h": 302.8
  },
  "luminance": 0.02988
}

Semantic roles & 50–950 ramp

primary

#421C68

secondary

#709D43

accent

#E14794

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #421C68

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

Preview Lab → · Contrast checker → · Palette generator →