#421C8F#421C8F

#421C8F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.172 H 289.9°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#421C8F
RGB	rgb(66, 28, 143)
HSL	hsl(260, 67%, 34%)
HSV	hsv(260, 80%, 56%)
CMYK	cmyk(53.8%, 80.4%, 0%, 43.9%)
CIE-LAB	lab(23.58, 44.99, -56.39)
CIE-LCH	lch(23.58, 72.14, 308.58°)
OKLab	oklab(36.16% 0.0586 -0.1621)
OKLCH	oklch(36.16% 0.172 289.9)
XYZ	xyz(7.6185, 3.9716, 26.3464)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C8F #698F1C

analogous

#1C2F8F #421C8F #7B1C8F

triadic

#421C8F #8F421C #1C8F42

tetradic

#421C8F #8F1C2F #698F1C #1C8F7B

square

#421C8F #8F1C2F #698F1C #1C8F7B

split-complementary

#421C8F #8F7B1C #2F8F1C

monochromatic

#130829 #2A125C #421C8F #5A26C2 #7A4ADC

Accessibility & contrast

On white

11.70

#421C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C8F

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C8F	#FFFFFF	#000000	##FFFFFF
##421C8F	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#253D55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421c8f;
/* rgb */ color: rgb(66, 28, 143);
/* oklch */ color: oklch(36.2% 0.172 289.9);

Tailwind

colors: {
  custom: {
    50: '#805eb1',
    500: '#421c8f',
    950: '#000000',
  },
}

SCSS

$custom: #421c8f;
$custom-light: #805eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#421c8f",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 143
  },
  "hsl": {
    "h": 259.826,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36163,
    "c": 0.17239,
    "h": 289.9
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#421C8F

secondary

#97BE49

accent

#EA3EB1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421C8F

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

Preview Lab → · Contrast checker → · Palette generator →