#421C75#421C75

#421C75 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.142 H 297.7°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#421C75
RGB	rgb(66, 28, 117)
HSL	hsl(266, 61%, 28%)
HSV	hsv(266, 76%, 46%)
CMYK	cmyk(43.6%, 76.1%, 0%, 54.1%)
CIE-LAB	lab(21.11, 37.72, -44.03)
CIE-LCH	lch(21.11, 57.98, 310.59°)
OKLab	oklab(33.67% 0.066 -0.1259)
OKLCH	oklch(33.67% 0.142 297.7)
XYZ	xyz(5.8721, 3.2730, 17.1485)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.49

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C75 #4F751C

analogous

#1C2275 #421C75 #6E1C75

triadic

#421C75 #75421C #1C7542

tetradic

#421C75 #751C22 #4F751C #1C756E

square

#421C75 #751C22 #4F751C #1C756E

split-complementary

#421C75 #756E1C #22751C

monochromatic

#0E0619 #261044 #421C75 #5E28A6 #7B3BD0

Accessibility & contrast

On white

12.69

#421C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C75

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C75	#FFFFFF	#000000	##FFFFFF
##421C75	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#003273

Tritanopia (blue-blind)

#353347

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421c75;
/* rgb */ color: rgb(66, 28, 117);
/* oklch */ color: oklch(33.7% 0.142 297.7);

Tailwind

colors: {
  custom: {
    50: '#7c5c9e',
    500: '#421c75',
    950: '#000000',
  },
}

SCSS

$custom: #421c75;
$custom-light: #7c5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#421c75",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 117
  },
  "hsl": {
    "h": 265.618,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.14213,
    "h": 297.7
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#421C75

secondary

#7EA944

accent

#E443A0

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421C75

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

Preview Lab → · Contrast checker → · Palette generator →