#421D78#421D78

#421D78 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.144 H 296.4°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#421D78
RGB	rgb(66, 29, 120)
HSL	hsl(264, 61%, 29%)
HSV	hsv(264, 76%, 47%)
CMYK	cmyk(45%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(21.55, 38.05, -45.22)
CIE-LCH	lch(21.55, 59.10, 310.08°)
OKLab	oklab(34.07% 0.0643 -0.1294)
OKLCH	oklch(34.07% 0.144 296.4)
XYZ	xyz(6.0754, 3.3929, 18.1005)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D78 #53781D

analogous

#1D2578 #421D78 #701D78

triadic

#421D78 #78421D #1D7842

tetradic

#421D78 #781D25 #53781D #1D7870

square

#421D78 #781D25 #53781D #1D7870

split-complementary

#421D78 #78701D #25781D

monochromatic

#0E0619 #271147 #421D78 #5D29A9 #7A3FD1

Accessibility & contrast

On white

12.51

#421D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#421D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D78

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D78	#FFFFFF	#000000	##FFFFFF
##421D78	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#343449

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #421d78;
/* rgb */ color: rgb(66, 29, 120);
/* oklch */ color: oklch(34.1% 0.144 296.4);

Tailwind

colors: {
  custom: {
    50: '#7c5da0',
    500: '#421d78',
    950: '#000000',
  },
}

SCSS

$custom: #421d78;
$custom-light: #7c5da0;
$custom-dark: #000000;

JSON

{
  "hex": "#421d78",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 264.396,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34074,
    "c": 0.14448,
    "h": 296.4
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#421D78

secondary

#82AC45

accent

#E444A3

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #421D78

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

Preview Lab → · Contrast checker → · Palette generator →