#421B63#421B63

#421B63 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.122 H 305.3°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#421B63
RGB	rgb(66, 27, 99)
HSL	hsl(273, 57%, 25%)
HSV	hsv(273, 73%, 39%)
CMYK	cmyk(33.3%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(19.40, 33.36, -35.10)
CIE-LCH	lch(19.40, 48.42, 313.55°)
OKLab	oklab(31.99% 0.0705 -0.0996)
OKLCH	oklch(31.99% 0.122 305.3)
XYZ	xyz(4.8903, 2.8430, 12.0931)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B63 #3C631B

analogous

#1E1B63 #421B63 #631B60

triadic

#421B63 #63421B #1B6342

tetradic

#421B63 #631E1B #3C631B #1B6063

square

#421B63 #631E1B #3C631B #1B6063

split-complementary

#421B63 #60631B #1B631E

monochromatic

#100718 #220E33 #421B63 #622893 #8235C3

Accessibility & contrast

On white

13.39

#421B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#421B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B63

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B63	#FFFFFF	#000000	##FFFFFF
##421B63	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E65

Deuteranopia (green-blind)

#032F61

Tritanopia (blue-blind)

#3C2B3C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #421b63;
/* rgb */ color: rgb(66, 27, 99);
/* oklch */ color: oklch(32.0% 0.122 305.3);

Tailwind

colors: {
  custom: {
    50: '#7a5b90',
    500: '#421b63',
    950: '#000000',
  },
}

SCSS

$custom: #421b63;
$custom-light: #7a5b90;
$custom-dark: #000000;

JSON

{
  "hex": "#421b63",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 272.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3199,
    "c": 0.12206,
    "h": 305.3
  },
  "luminance": 0.02843
}

Semantic roles & 50–950 ramp

primary

#421B63

secondary

#699841

accent

#E0478E

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421B63

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

Preview Lab → · Contrast checker → · Palette generator →