#421B8B#421B8B

#421B8B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.169 H 291.0°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#421B8B
RGB	rgb(66, 27, 139)
HSL	hsl(261, 67%, 33%)
HSV	hsv(261, 81%, 55%)
CMYK	cmyk(52.5%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(23.02, 44.33, -54.82)
CIE-LCH	lch(23.02, 70.50, 308.96°)
OKLab	oklab(35.65% 0.0606 -0.1575)
OKLCH	oklch(35.65% 0.169 291)
XYZ	xyz(7.2976, 3.8059, 24.7712)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B8B #648B1B

analogous

#1B2C8B #421B8B #7A1B8B

triadic

#421B8B #8B421B #1B8B42

tetradic

#421B8B #8B1B2C #648B1B #1B8B7A

square

#421B8B #8B1B2C #648B1B #1B8B7A

split-complementary

#421B8B #8B7A1B #2C8B1B

monochromatic

#110725 #2A1158 #421B8B #5A25BE #7A45DB

Accessibility & contrast

On white

11.92

#421B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#421B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B8B

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B8B	#FFFFFF	#000000	##FFFFFF
##421B8B	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003489

Tritanopia (blue-blind)

#283B53

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #421b8b;
/* rgb */ color: rgb(66, 27, 139);
/* oklch */ color: oklch(35.7% 0.169 291.0);

Tailwind

colors: {
  custom: {
    50: '#7f5dae',
    500: '#421b8b',
    950: '#000000',
  },
}

SCSS

$custom: #421b8b;
$custom-light: #7f5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#421b8b",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 260.893,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35653,
    "c": 0.16878,
    "h": 291
  },
  "luminance": 0.03806
}

Semantic roles & 50–950 ramp

primary

#421B8B

secondary

#93BC45

accent

#EA3DAE

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #421B8B

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

Preview Lab → · Contrast checker → · Palette generator →