#421C74#421C74

#421C74 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.141 H 298.0°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#421C74
RGB	rgb(66, 28, 116)
HSL	hsl(266, 61%, 28%)
HSV	hsv(266, 76%, 45%)
CMYK	cmyk(43.1%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(21.02, 37.45, -43.53)
CIE-LCH	lch(21.02, 57.42, 310.70°)
OKLab	oklab(33.58% 0.0662 -0.1244)
OKLCH	oklch(33.58% 0.141 298)
XYZ	xyz(5.8136, 3.2496, 16.8406)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C74 #4E741C

analogous

#1C2274 #421C74 #6E1C74

triadic

#421C74 #74421C #1C7442

tetradic

#421C74 #741C22 #4E741C #1C746E

square

#421C74 #741C22 #4E741C #1C746E

split-complementary

#421C74 #746E1C #22741C

monochromatic

#0E0619 #261043 #421C74 #5E28A5 #7B3BD0

Accessibility & contrast

On white

12.73

#421C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C74

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C74	#FFFFFF	#000000	##FFFFFF
##421C74	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#363246

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421c74;
/* rgb */ color: rgb(66, 28, 116);
/* oklch */ color: oklch(33.6% 0.141 298.0);

Tailwind

colors: {
  custom: {
    50: '#7c5c9d',
    500: '#421c74',
    950: '#000000',
  },
}

SCSS

$custom: #421c74;
$custom-light: #7c5c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#421c74",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 265.909,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33584,
    "c": 0.14095,
    "h": 298
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#421C74

secondary

#7DA843

accent

#E4449F

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421C74

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

Preview Lab → · Contrast checker → · Palette generator →