#421D8B#421D8B

#421D8B is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.9% C 0.167 H 290.7°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#421D8B
RGB	rgb(66, 29, 139)
HSL	hsl(260, 65%, 33%)
HSV	hsv(260, 79%, 55%)
CMYK	cmyk(52.5%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(23.34, 43.40, -54.29)
CIE-LCH	lch(23.34, 69.50, 308.64°)
OKLab	oklab(35.88% 0.0591 -0.156)
OKLCH	oklch(35.88% 0.167 290.7)
XYZ	xyz(7.3450, 3.9008, 24.7870)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D8B #668B1D

analogous

#1D2F8B #421D8B #791D8B

triadic

#421D8B #8B421D #1D8B42

tetradic

#421D8B #8B1D2F #668B1D #1D8B79

square

#421D8B #8B1D2F #668B1D #1D8B79

split-complementary

#421D8B #8B791D #2F8B1D

monochromatic

#120826 #2A1258 #421D8B #5A28BE #7A49D9

Accessibility & contrast

On white

11.80

#421D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#421D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D8B

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D8B	#FFFFFF	#000000	##FFFFFF
##421D8B	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#283C53

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421d8b;
/* rgb */ color: rgb(66, 29, 139);
/* oklch */ color: oklch(35.9% 0.167 290.7);

Tailwind

colors: {
  custom: {
    50: '#7f5eae',
    500: '#421d8b',
    950: '#000000',
  },
}

SCSS

$custom: #421d8b;
$custom-light: #7f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#421d8b",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 260.182,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35877,
    "c": 0.1668,
    "h": 290.7
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#421D8B

secondary

#95BB49

accent

#E83FB0

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #421D8B

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

Preview Lab → · Contrast checker → · Palette generator →