#421C8D#421C8D

#421C8D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.170 H 290.4°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#421C8D
RGB	rgb(66, 28, 141)
HSL	hsl(260, 67%, 33%)
HSV	hsv(260, 80%, 55%)
CMYK	cmyk(53.2%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(23.38, 44.43, -55.48)
CIE-LCH	lch(23.38, 71.08, 308.69°)
OKLab	oklab(35.96% 0.0592 -0.1595)
OKLCH	oklch(35.96% 0.17 290.4)
XYZ	xyz(7.4684, 3.9115, 25.5556)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C8D #678D1C

analogous

#1C2E8D #421C8D #7A1C8D

triadic

#421C8D #8D421C #1C8D42

tetradic

#421C8D #8D1C2E #678D1C #1C8D7A

square

#421C8D #8D1C2E #678D1C #1C8D7A

split-complementary

#421C8D #8D7A1C #2E8D1C

monochromatic

#120827 #2A125A #421C8D #5A26C0 #7A49DB

Accessibility & contrast

On white

11.78

#421C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#421C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C8D

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C8D	#FFFFFF	#000000	##FFFFFF
##421C8D	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#273C54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421c8d;
/* rgb */ color: rgb(66, 28, 141);
/* oklch */ color: oklch(36.0% 0.170 290.4);

Tailwind

colors: {
  custom: {
    50: '#7f5daf',
    500: '#421c8d',
    950: '#000000',
  },
}

SCSS

$custom: #421c8d;
$custom-light: #7f5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#421c8d",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 260.177,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35963,
    "c": 0.1701,
    "h": 290.4
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#421C8D

secondary

#95BD48

accent

#EA3EB0

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421C8D

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

Preview Lab → · Contrast checker → · Palette generator →