#421B75#421B75

#421B75 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.143 H 297.8°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#421B75
RGB	rgb(66, 27, 117)
HSL	hsl(266, 63%, 28%)
HSV	hsv(266, 77%, 46%)
CMYK	cmyk(43.6%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(20.93, 38.22, -44.32)
CIE-LCH	lch(20.93, 58.53, 310.78°)
OKLab	oklab(33.55% 0.067 -0.1267)
OKLCH	oklch(33.55% 0.143 297.8)
XYZ	xyz(5.8488, 3.2264, 17.1408)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.30

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B75 #4E751B

analogous

#1B2175 #421B75 #6F1B75

triadic

#421B75 #75421B #1B7542

tetradic

#421B75 #751B21 #4E751B #1B756F

square

#421B75 #751B21 #4E751B #1B756F

split-complementary

#421B75 #756F1B #21751B

monochromatic

#0E0619 #261043 #421B75 #5E26A7 #7B39D1

Accessibility & contrast

On white

12.76

#421B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B75

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B75	#FFFFFF	#000000	##FFFFFF
##421B75	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#003173

Tritanopia (blue-blind)

#353246

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421b75;
/* rgb */ color: rgb(66, 27, 117);
/* oklch */ color: oklch(33.6% 0.143 297.8);

Tailwind

colors: {
  custom: {
    50: '#7c5c9e',
    500: '#421b75',
    950: '#000000',
  },
}

SCSS

$custom: #421b75;
$custom-light: #7c5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#421b75",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 266,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3355,
    "c": 0.14334,
    "h": 297.8
  },
  "luminance": 0.03226
}

Semantic roles & 50–950 ramp

primary

#421B75

secondary

#7DA942

accent

#E6429F

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B75

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

Preview Lab → · Contrast checker → · Palette generator →