#421C73#421C73

#421C73 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.140 H 298.4°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#421C73
RGB	rgb(66, 28, 115)
HSL	hsl(266, 61%, 28%)
HSV	hsv(266, 76%, 45%)
CMYK	cmyk(42.6%, 75.7%, 0%, 54.9%)
CIE-LAB	lab(20.93, 37.17, -43.03)
CIE-LCH	lch(20.93, 56.86, 310.82°)
OKLab	oklab(33.5% 0.0664 -0.123)
OKLCH	oklch(33.5% 0.14 298.4)
XYZ	xyz(5.7557, 3.2265, 16.5359)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C73 #4D731C

analogous

#1C2173 #421C73 #6D1C73

triadic

#421C73 #73421C #1C7342

tetradic

#421C73 #731C21 #4D731C #1C736D

square

#421C73 #731C21 #4D731C #1C736D

split-complementary

#421C73 #736D1C #21731C

monochromatic

#0E0619 #261042 #421C73 #5E28A4 #7B3ACF

Accessibility & contrast

On white

12.76

#421C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C73

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C73	#FFFFFF	#000000	##FFFFFF
##421C73	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#363246

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421c73;
/* rgb */ color: rgb(66, 28, 115);
/* oklch */ color: oklch(33.5% 0.140 298.4);

Tailwind

colors: {
  custom: {
    50: '#7b5c9c',
    500: '#421c73',
    950: '#000000',
  },
}

SCSS

$custom: #421c73;
$custom-light: #7b5c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#421c73",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 115
  },
  "hsl": {
    "h": 266.207,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33495,
    "c": 0.13976,
    "h": 298.4
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary

#421C73

secondary

#7CA743

accent

#E4449E

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421C73

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

Preview Lab → · Contrast checker → · Palette generator →