#421B64#421B64

#421B64 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.1% C 0.123 H 304.8°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#421B64
RGB	rgb(66, 27, 100)
HSL	hsl(272, 57%, 25%)
HSV	hsv(272, 73%, 39%)
CMYK	cmyk(34%, 73%, 0%, 60.8%)
CIE-LAB	lab(19.48, 33.63, -35.63)
CIE-LCH	lch(19.48, 48.99, 313.35°)
OKLab	oklab(32.07% 0.0704 -0.1012)
OKLCH	oklch(32.07% 0.123 304.8)
XYZ	xyz(4.9384, 2.8622, 12.3464)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B64 #3D641B

analogous

#1E1B64 #421B64 #641B61

triadic

#421B64 #64421B #1B6442

tetradic

#421B64 #641E1B #3D641B #1B6164

square

#421B64 #641E1B #3D641B #1B6164

split-complementary

#421B64 #61641B #1B641E

monochromatic

#100718 #220E34 #421B64 #622894 #8235C4

Accessibility & contrast

On white

13.36

#421B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#421B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B64

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B64	#FFFFFF	#000000	##FFFFFF
##421B64	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E66

Deuteranopia (green-blind)

#012F62

Tritanopia (blue-blind)

#3C2C3D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #421b64;
/* rgb */ color: rgb(66, 27, 100);
/* oklch */ color: oklch(32.1% 0.123 304.8);

Tailwind

colors: {
  custom: {
    50: '#7a5b91',
    500: '#421b64',
    950: '#000000',
  },
}

SCSS

$custom: #421b64;
$custom-light: #7a5b91;
$custom-dark: #000000;

JSON

{
  "hex": "#421b64",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 272.055,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32072,
    "c": 0.12325,
    "h": 304.8
  },
  "luminance": 0.02862
}

Semantic roles & 50–950 ramp

primary

#421B64

secondary

#6A9941

accent

#E1478F

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040D

muted

#7B797D

Preview Lab

Preview with #421B64

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

Preview Lab → · Contrast checker → · Palette generator →