#421C78#421C78

#421C78 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.146 H 296.6°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#421C78
RGB	rgb(66, 28, 120)
HSL	hsl(265, 62%, 29%)
HSV	hsv(265, 77%, 47%)
CMYK	cmyk(45%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(21.37, 38.55, -45.51)
CIE-LCH	lch(21.37, 59.65, 310.27°)
OKLab	oklab(33.95% 0.0652 -0.1303)
OKLCH	oklch(33.95% 0.146 296.6)
XYZ	xyz(6.0513, 3.3447, 18.0924)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C78 #52781C

analogous

#1C2478 #421C78 #701C78

triadic

#421C78 #78421C #1C7842

tetradic

#421C78 #781C24 #52781C #1C7870

square

#421C78 #781C24 #52781C #1C7870

split-complementary

#421C78 #78701C #24781C

monochromatic

#0E0619 #271046 #421C78 #5D28AA #7A3DD2

Accessibility & contrast

On white

12.58

#421C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#421C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C78

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C78	#FFFFFF	#000000	##FFFFFF
##421C78	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#343448

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421c78;
/* rgb */ color: rgb(66, 28, 120);
/* oklch */ color: oklch(33.9% 0.146 296.6);

Tailwind

colors: {
  custom: {
    50: '#7c5ca0',
    500: '#421c78',
    950: '#000000',
  },
}

SCSS

$custom: #421c78;
$custom-light: #7c5ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#421c78",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 264.783,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33948,
    "c": 0.14568,
    "h": 296.6
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#421C78

secondary

#81AC44

accent

#E543A2

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #421C78

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

Preview Lab → · Contrast checker → · Palette generator →