#421B74#421B74

#421B74 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.142 H 298.2°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#421B74
RGB	rgb(66, 27, 116)
HSL	hsl(266, 62%, 28%)
HSV	hsv(266, 77%, 45%)
CMYK	cmyk(43.1%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(20.84, 37.95, -43.82)
CIE-LCH	lch(20.84, 57.97, 310.89°)
OKLab	oklab(33.46% 0.0672 -0.1253)
OKLCH	oklch(33.46% 0.142 298.2)
XYZ	xyz(5.7903, 3.2030, 16.8328)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B74 #4D741B

analogous

#1B2074 #421B74 #6E1B74

triadic

#421B74 #74421B #1B7442

tetradic

#421B74 #741B20 #4D741B #1B746E

square

#421B74 #741B20 #4D741B #1B746E

split-complementary

#421B74 #746E1B #20741B

monochromatic

#0E0619 #260F42 #421B74 #5E27A6 #7B39D1

Accessibility & contrast

On white

12.80

#421B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#421B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B74

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B74	#FFFFFF	#000000	##FFFFFF
##421B74	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#363246

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421b74;
/* rgb */ color: rgb(66, 27, 116);
/* oklch */ color: oklch(33.5% 0.142 298.2);

Tailwind

colors: {
  custom: {
    50: '#7c5b9d',
    500: '#421b74',
    950: '#000000',
  },
}

SCSS

$custom: #421b74;
$custom-light: #7c5b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#421b74",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 266.292,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33459,
    "c": 0.14217,
    "h": 298.2
  },
  "luminance": 0.03203
}

Semantic roles & 50–950 ramp

primary

#421B74

secondary

#7CA942

accent

#E5429E

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B74

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

Preview Lab → · Contrast checker → · Palette generator →