#421B81#421B81

#421B81 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.157 H 293.9°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#421B81
RGB	rgb(66, 27, 129)
HSL	hsl(263, 65%, 31%)
HSV	hsv(263, 79%, 51%)
CMYK	cmyk(48.8%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(22.04, 41.54, -50.14)
CIE-LCH	lch(22.04, 65.12, 309.64°)
OKLab	oklab(34.67% 0.0637 -0.1438)
OKLCH	oklch(34.67% 0.157 293.9)
XYZ	xyz(6.6001, 3.5269, 21.0976)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B81 #5A811B

analogous

#1B2781 #421B81 #751B81

triadic

#421B81 #81421B #1B8142

tetradic

#421B81 #811B27 #5A811B #1B8175

square

#421B81 #811B27 #5A811B #1B8175

split-complementary

#421B81 #81751B #27811B

monochromatic

#0E061C #28104E #421B81 #5C26B4 #793FD7

Accessibility & contrast

On white

12.31

#421B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#421B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B81

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B81	#FFFFFF	#000000	##FFFFFF
##421B81	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#2F374D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #421b81;
/* rgb */ color: rgb(66, 27, 129);
/* oklch */ color: oklch(34.7% 0.157 293.9);

Tailwind

colors: {
  custom: {
    50: '#7d5ca7',
    500: '#421b81',
    950: '#000000',
  },
}

SCSS

$custom: #421b81;
$custom-light: #7d5ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#421b81",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 262.941,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34674,
    "c": 0.1573,
    "h": 293.9
  },
  "luminance": 0.03527
}

Semantic roles & 50–950 ramp

primary

#421B81

secondary

#89B543

accent

#E83FA8

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #421B81

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

Preview Lab → · Contrast checker → · Palette generator →