#421C5A#421C5A

#421C5A is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.4% C 0.110 H 309.7°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#421C5A
RGB	rgb(66, 28, 90)
HSL	hsl(277, 53%, 23%)
HSV	hsv(277, 69%, 35%)
CMYK	cmyk(26.7%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(18.92, 30.48, -29.91)
CIE-LCH	lch(18.92, 42.71, 315.53°)
OKLab	oklab(31.42% 0.0701 -0.0844)
OKLCH	oklch(31.42% 0.11 309.7)
XYZ	xyz(4.5071, 2.7270, 9.9598)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C5A #345A1C

analogous

#231C5A #421C5A #5A1C53

triadic

#421C5A #5A421C #1C5A42

tetradic

#421C5A #5A231C #345A1C #1C535A

square

#421C5A #5A231C #345A1C #1C535A

split-complementary

#421C5A #535A1C #1C5A23

monochromatic

#110717 #200D2B #421C5A #642B89 #8639B7

Accessibility & contrast

On white

13.59

#421C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#421C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C5A

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C5A	#FFFFFF	#000000	##FFFFFF
##421C5A	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5C

Deuteranopia (green-blind)

#132F59

Tritanopia (blue-blind)

#3F2838

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421c5a;
/* rgb */ color: rgb(66, 28, 90);
/* oklch */ color: oklch(31.4% 0.110 309.7);

Tailwind

colors: {
  custom: {
    50: '#795b89',
    500: '#421c5a',
    950: '#000000',
  },
}

SCSS

$custom: #421c5a;
$custom-light: #795b89;
$custom-dark: #000000;

JSON

{
  "hex": "#421c5a",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 276.774,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.31421,
    "c": 0.10975,
    "h": 309.7
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#421C5A

secondary

#608F42

accent

#DC4C84

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040B

muted

#7B797C

Preview Lab

Preview with #421C5A

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

Preview Lab → · Contrast checker → · Palette generator →