#421C67#421C67

#421C67 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.125 H 303.2°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#421C67
RGB	rgb(66, 28, 103)
HSL	hsl(270, 57%, 26%)
HSV	hsv(270, 73%, 40%)
CMYK	cmyk(35.9%, 72.8%, 0%, 59.6%)
CIE-LAB	lab(19.92, 33.90, -36.89)
CIE-LCH	lch(19.92, 50.10, 312.58°)
OKLab	oklab(32.46% 0.0687 -0.1049)
OKLCH	oklch(32.46% 0.125 303.2)
XYZ	xyz(5.1096, 2.9680, 13.1330)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C67 #41671C

analogous

#1C1C67 #421C67 #671C66

triadic

#421C67 #67421C #1C6742

tetradic

#421C67 #671C1C #41671C #1C6667

square

#421C67 #671C1C #41671C #1C6667

split-complementary

#421C67 #66671C #1C671C

monochromatic

#0F0718 #230F37 #421C67 #612997 #8036C7

Accessibility & contrast

On white

13.18

#421C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#421C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C67

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C67	#FFFFFF	#000000	##FFFFFF
##421C67	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F69

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#3B2D3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421c67;
/* rgb */ color: rgb(66, 28, 103);
/* oklch */ color: oklch(32.5% 0.125 303.2);

Tailwind

colors: {
  custom: {
    50: '#7a5b93',
    500: '#421c67',
    950: '#000000',
  },
}

SCSS

$custom: #421c67;
$custom-light: #7a5b93;
$custom-dark: #000000;

JSON

{
  "hex": "#421c67",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 103
  },
  "hsl": {
    "h": 270.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32457,
    "c": 0.12543,
    "h": 303.2
  },
  "luminance": 0.02968
}

Semantic roles & 50–950 ramp

primary

#421C67

secondary

#6F9C43

accent

#E14793

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #421C67

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

Preview Lab → · Contrast checker → · Palette generator →