#421F81#421F81

#421F81 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.153 H 293.2°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#421F81
RGB	rgb(66, 31, 129)
HSL	hsl(261, 61%, 31%)
HSV	hsv(261, 76%, 51%)
CMYK	cmyk(48.8%, 76%, 0%, 49.4%)
CIE-LAB	lab(22.73, 39.57, -49.01)
CIE-LCH	lch(22.73, 62.99, 308.92°)
OKLab	oklab(35.16% 0.0601 -0.1405)
OKLCH	oklch(35.16% 0.153 293.2)
XYZ	xyz(6.6981, 3.7230, 21.1303)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F81 #5E811F

analogous

#1F2D81 #421F81 #731F81

triadic

#421F81 #81421F #1F8142

tetradic

#421F81 #811F2D #5E811F #1F8173

square

#421F81 #811F2D #5E811F #1F8173

split-complementary

#421F81 #81731F #2D811F

monochromatic

#10071E #291350 #421F81 #5B2BB2 #7947D3

Accessibility & contrast

On white

12.04

#421F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#421F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F81

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F81	#FFFFFF	#000000	##FFFFFF
##421F81	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#2F394E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #421f81;
/* rgb */ color: rgb(66, 31, 129);
/* oklch */ color: oklch(35.2% 0.153 293.2);

Tailwind

colors: {
  custom: {
    50: '#7d5ea6',
    500: '#421f81',
    950: '#000000',
  },
}

SCSS

$custom: #421f81;
$custom-light: #7d5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#421f81",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 261.429,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3516,
    "c": 0.15286,
    "h": 293.2
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#421F81

secondary

#8DB448

accent

#E443AB

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #421F81

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

Preview Lab → · Contrast checker → · Palette generator →