#421F78#421F78

#421F78 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.3% C 0.142 H 296.0°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#421F78
RGB	rgb(66, 31, 120)
HSL	hsl(264, 59%, 30%)
HSV	hsv(264, 74%, 47%)
CMYK	cmyk(45%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(21.92, 37.01, -44.62)
CIE-LCH	lch(21.92, 57.97, 309.67°)
OKLab	oklab(34.34% 0.0622 -0.1277)
OKLCH	oklch(34.34% 0.142 296)
XYZ	xyz(6.1260, 3.4942, 18.1173)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F78 #55781F

analogous

#1F2878 #421F78 #6F1F78

triadic

#421F78 #78421F #1F7842

tetradic

#421F78 #781F28 #55781F #1F786F

square

#421F78 #781F28 #55781F #1F786F

split-complementary

#421F78 #786F1F #28781F

monochromatic

#0D0618 #271247 #421F78 #5D2CA9 #7A43CE

Accessibility & contrast

On white

12.36

#421F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#421F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F78

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F78	#FFFFFF	#000000	##FFFFFF
##421F78	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003376

Tritanopia (blue-blind)

#343549

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #421f78;
/* rgb */ color: rgb(66, 31, 120);
/* oklch */ color: oklch(34.3% 0.142 296.0);

Tailwind

colors: {
  custom: {
    50: '#7c5ea0',
    500: '#421f78',
    950: '#000000',
  },
}

SCSS

$custom: #421f78;
$custom-light: #7c5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#421f78",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 263.596,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34336,
    "c": 0.14201,
    "h": 296
  },
  "luminance": 0.03494
}

Semantic roles & 50–950 ramp

primary

#421F78

secondary

#84AB47

accent

#E246A5

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #421F78

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

Preview Lab → · Contrast checker → · Palette generator →