#421C9D#421C9D

#421C9D is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.188 H 286.6°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#421C9D
RGB	rgb(66, 28, 157)
HSL	hsl(258, 70%, 36%)
HSV	hsv(258, 82%, 62%)
CMYK	cmyk(58%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(25.02, 48.91, -62.64)
CIE-LCH	lch(25.02, 79.47, 307.99°)
OKLab	oklab(37.6% 0.0539 -0.1804)
OKLCH	oklch(37.6% 0.188 286.6)
XYZ	xyz(8.7460, 4.4226, 32.2845)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C9D #779D1C

analogous

#1C379D #421C9D #831C9D

triadic

#421C9D #9D421C #1C9D42

tetradic

#421C9D #9D1C37 #779D1C #1C9D83

square

#421C9D #9D1C37 #779D1C #1C9D83

split-complementary

#421C9D #9D831C #379D1C

monochromatic

#160935 #2C1369 #421C9D #5825D1 #7D53E0

Accessibility & contrast

On white

11.14

#421C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#421C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C9D

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C9D	#FFFFFF	#000000	##FFFFFF
##421C9D	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#14435E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421c9d;
/* rgb */ color: rgb(66, 28, 157);
/* oklch */ color: oklch(37.6% 0.188 286.6);

Tailwind

colors: {
  custom: {
    50: '#825ebb',
    500: '#421c9d',
    950: '#000000',
  },
}

SCSS

$custom: #421c9d;
$custom-light: #825ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#421c9d",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 257.674,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37597,
    "c": 0.18826,
    "h": 286.6
  },
  "luminance": 0.04423
}

Semantic roles & 50–950 ramp

primary

#421C9D

secondary

#A2C351

accent

#ED3BB8

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421C9D

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

Preview Lab → · Contrast checker → · Palette generator →