#421B88#421B88

#421B88 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.165 H 291.9°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#421B88
RGB	rgb(66, 27, 136)
HSL	hsl(261, 67%, 32%)
HSV	hsv(261, 80%, 53%)
CMYK	cmyk(51.5%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(22.72, 43.49, -53.43)
CIE-LCH	lch(22.72, 68.89, 309.14°)
OKLab	oklab(35.36% 0.0615 -0.1535)
OKLCH	oklch(35.36% 0.165 291.9)
XYZ	xyz(7.0814, 3.7194, 23.6326)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B88 #61881B

analogous

#1B2B88 #421B88 #791B88

triadic

#421B88 #88421B #1B8842

tetradic

#421B88 #881B2B #61881B #1B8879

square

#421B88 #881B2B #61881B #1B8879

split-complementary

#421B88 #88791B #2B881B

monochromatic

#100722 #291155 #421B88 #5B25BB #7944DA

Accessibility & contrast

On white

12.04

#421B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#421B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B88

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B88	#FFFFFF	#000000	##FFFFFF
##421B88	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#003486

Tritanopia (blue-blind)

#2A3A51

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #421b88;
/* rgb */ color: rgb(66, 27, 136);
/* oklch */ color: oklch(35.4% 0.165 291.9);

Tailwind

colors: {
  custom: {
    50: '#7f5dac',
    500: '#421b88',
    950: '#000000',
  },
}

SCSS

$custom: #421b88;
$custom-light: #7f5dac;
$custom-dark: #000000;

JSON

{
  "hex": "#421b88",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 261.468,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35356,
    "c": 0.16535,
    "h": 291.9
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#421B88

secondary

#90BB44

accent

#EA3EAC

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #421B88

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

Preview Lab → · Contrast checker → · Palette generator →