#421B73#421B73

#421B73 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.141 H 298.6°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#421B73
RGB	rgb(66, 27, 115)
HSL	hsl(267, 62%, 28%)
HSV	hsv(267, 77%, 45%)
CMYK	cmyk(42.6%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(20.75, 37.68, -43.33)
CIE-LCH	lch(20.75, 57.42, 311.01°)
OKLab	oklab(33.37% 0.0674 -0.1238)
OKLCH	oklch(33.37% 0.141 298.6)
XYZ	xyz(5.7324, 3.1798, 16.5281)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B73 #4C731B

analogous

#1B2073 #421B73 #6E1B73

triadic

#421B73 #73421B #1B7342

tetradic

#421B73 #731B20 #4C731B #1B736E

square

#421B73 #731B20 #4C731B #1B736E

split-complementary

#421B73 #736E1B #20731B

monochromatic

#0E0619 #260F41 #421B73 #5E27A5 #7C38D0

Accessibility & contrast

On white

12.84

#421B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#421B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B73

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B73	#FFFFFF	#000000	##FFFFFF
##421B73	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#363145

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421b73;
/* rgb */ color: rgb(66, 27, 115);
/* oklch */ color: oklch(33.4% 0.141 298.6);

Tailwind

colors: {
  custom: {
    50: '#7c5b9c',
    500: '#421b73',
    950: '#000000',
  },
}

SCSS

$custom: #421b73;
$custom-light: #7c5b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#421b73",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 266.591,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.14099,
    "h": 298.6
  },
  "luminance": 0.0318
}

Semantic roles & 50–950 ramp

primary

#421B73

secondary

#7BA842

accent

#E5439D

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B73

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

Preview Lab → · Contrast checker → · Palette generator →