#421E8B#421E8B

#421E8B is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.166 H 290.6°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#421E8B
RGB	rgb(66, 30, 139)
HSL	hsl(260, 64%, 33%)
HSV	hsv(260, 78%, 55%)
CMYK	cmyk(52.5%, 78.4%, 0%, 45.5%)
CIE-LAB	lab(23.51, 42.92, -54.02)
CIE-LCH	lch(23.51, 68.99, 308.47°)
OKLab	oklab(35.99% 0.0583 -0.1552)
OKLCH	oklch(35.99% 0.166 290.6)
XYZ	xyz(7.3699, 3.9506, 24.7953)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421E8B #678B1E

analogous

#1E308B #421E8B #781E8B

triadic

#421E8B #8B421E #1E8B42

tetradic

#421E8B #8B1E30 #678B1E #1E8B78

square

#421E8B #8B1E30 #678B1E #1E8B78

split-complementary

#421E8B #8B781E #308B1E

monochromatic

#120826 #2A1359 #421E8B #5A29BD #7A4BD8

Accessibility & contrast

On white

11.73

#421E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421E8B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421E8B	#FFFFFF	#000000	##FFFFFF
##421E8B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#283C54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421e8b;
/* rgb */ color: rgb(66, 30, 139);
/* oklch */ color: oklch(36.0% 0.166 290.6);

Tailwind

colors: {
  custom: {
    50: '#7f5eae',
    500: '#421e8b',
    950: '#000000',
  },
}

SCSS

$custom: #421e8b;
$custom-light: #7f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#421e8b",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 139
  },
  "hsl": {
    "h": 259.817,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35994,
    "c": 0.16578,
    "h": 290.6
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#421E8B

secondary

#95BB4A

accent

#E740B0

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #421E8B

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

Preview Lab → · Contrast checker → · Palette generator →