#421C8A#421C8A

#421C8A is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.167 H 291.2°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#421C8A
RGB	rgb(66, 28, 138)
HSL	hsl(261, 66%, 33%)
HSV	hsv(261, 80%, 54%)
CMYK	cmyk(52.2%, 79.7%, 0%, 45.9%)
CIE-LAB	lab(23.08, 43.59, -54.10)
CIE-LCH	lch(23.08, 69.47, 308.86°)
OKLab	oklab(35.67% 0.0601 -0.1554)
OKLCH	oklch(35.67% 0.167 291.2)
XYZ	xyz(7.2482, 3.8234, 24.3959)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C8A #648A1C

analogous

#1C2D8A #421C8A #791C8A

triadic

#421C8A #8A421C #1C8A42

tetradic

#421C8A #8A1C2D #648A1C #1C8A79

square

#421C8A #8A1C2D #648A1C #1C8A79

split-complementary

#421C8A #8A791C #2D8A1C

monochromatic

#110724 #2A1257 #421C8A #5A26BD #7A47DA

Accessibility & contrast

On white

11.90

#421C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#421C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C8A

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C8A	#FFFFFF	#000000	##FFFFFF
##421C8A	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003588

Tritanopia (blue-blind)

#293B53

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #421c8a;
/* rgb */ color: rgb(66, 28, 138);
/* oklch */ color: oklch(35.7% 0.167 291.2);

Tailwind

colors: {
  custom: {
    50: '#7f5dad',
    500: '#421c8a',
    950: '#000000',
  },
}

SCSS

$custom: #421c8a;
$custom-light: #7f5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#421c8a",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 138
  },
  "hsl": {
    "h": 260.727,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35665,
    "c": 0.16665,
    "h": 291.2
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#421C8A

secondary

#93BB46

accent

#E93FAE

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #421C8A

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

Preview Lab → · Contrast checker → · Palette generator →