#421B72#421B72

#421B72 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.3% C 0.140 H 298.9°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#421B72
RGB	rgb(66, 27, 114)
HSL	hsl(267, 62%, 28%)
HSV	hsv(267, 76%, 45%)
CMYK	cmyk(42.1%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(20.66, 37.40, -42.83)
CIE-LCH	lch(20.66, 56.86, 311.13°)
OKLab	oklab(33.28% 0.0677 -0.1223)
OKLCH	oklch(33.28% 0.14 298.9)
XYZ	xyz(5.6752, 3.1569, 16.2267)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B72 #4B721B

analogous

#1B1F72 #421B72 #6E1B72

triadic

#421B72 #72421B #1B7242

tetradic

#421B72 #721B1F #4B721B #1B726E

square

#421B72 #721B1F #4B721B #1B726E

split-complementary

#421B72 #726E1B #1F721B

monochromatic

#0E0619 #250F41 #421B72 #5F27A3 #7C38D0

Accessibility & contrast

On white

12.87

#421B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#421B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B72

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B72	#FFFFFF	#000000	##FFFFFF
##421B72	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003275

Deuteranopia (green-blind)

#003170

Tritanopia (blue-blind)

#363145

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421b72;
/* rgb */ color: rgb(66, 27, 114);
/* oklch */ color: oklch(33.3% 0.140 298.9);

Tailwind

colors: {
  custom: {
    50: '#7b5b9b',
    500: '#421b72',
    950: '#000000',
  },
}

SCSS

$custom: #421b72;
$custom-light: #7b5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#421b72",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 266.897,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33278,
    "c": 0.13982,
    "h": 298.9
  },
  "luminance": 0.03157
}

Semantic roles & 50–950 ramp

primary

#421B72

secondary

#7AA742

accent

#E5439C

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B72

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

Preview Lab → · Contrast checker → · Palette generator →