#421C8E#421C8E

#421C8E is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.171 H 290.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#421C8E
RGB	rgb(66, 28, 142)
HSL	hsl(260, 67%, 33%)
HSV	hsv(260, 80%, 56%)
CMYK	cmyk(53.5%, 80.3%, 0%, 44.3%)
CIE-LAB	lab(23.48, 44.71, -55.94)
CIE-LCH	lch(23.48, 71.61, 308.64°)
OKLab	oklab(36.06% 0.0589 -0.1608)
OKLCH	oklch(36.06% 0.171 290.1)
XYZ	xyz(7.5431, 3.9414, 25.9493)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C8E #688E1C

analogous

#1C2F8E #421C8E #7B1C8E

triadic

#421C8E #8E421C #1C8E42

tetradic

#421C8E #8E1C2F #688E1C #1C8E7B

square

#421C8E #8E1C2F #688E1C #1C8E7B

split-complementary

#421C8E #8E7B1C #2F8E1C

monochromatic

#120828 #2A125B #421C8E #5A26C1 #7A49DB

Accessibility & contrast

On white

11.74

#421C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C8E

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C8E	#FFFFFF	#000000	##FFFFFF
##421C8E	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#263D55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421c8e;
/* rgb */ color: rgb(66, 28, 142);
/* oklch */ color: oklch(36.1% 0.171 290.1);

Tailwind

colors: {
  custom: {
    50: '#7f5db0',
    500: '#421c8e',
    950: '#000000',
  },
}

SCSS

$custom: #421c8e;
$custom-light: #7f5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#421c8e",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 142
  },
  "hsl": {
    "h": 260,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36063,
    "c": 0.17125,
    "h": 290.1
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#421C8E

secondary

#96BD49

accent

#EA3EB1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421C8E

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

Preview Lab → · Contrast checker → · Palette generator →