#421F9F#421F9F

#421F9F is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.188 H 285.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#421F9F
RGB	rgb(66, 31, 159)
HSL	hsl(256, 67%, 37%)
HSV	hsv(256, 81%, 62%)
CMYK	cmyk(58.5%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(25.69, 48.16, -62.76)
CIE-LCH	lch(25.69, 79.11, 307.50°)
OKLab	oklab(38.12% 0.0513 -0.1808)
OKLCH	oklch(38.12% 0.188 285.8)
XYZ	xyz(8.9929, 4.6409, 33.2161)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F9F #7C9F1F

analogous

#1F3C9F #421F9F #821F9F

triadic

#421F9F #9F421F #1F9F42

tetradic

#421F9F #9F1F3C #7C9F1F #1F9F82

square

#421F9F #9F1F3C #7C9F1F #1F9F82

split-complementary

#421F9F #9F821F #3C9F1F

monochromatic

#170B39 #2D156C #421F9F #5729D2 #7E5ADF

Accessibility & contrast

On white

10.89

#421F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#421F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F9F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F9F	#FFFFFF	#000000	##FFFFFF
##421F9F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#10455F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #421f9f;
/* rgb */ color: rgb(66, 31, 159);
/* oklch */ color: oklch(38.1% 0.188 285.8);

Tailwind

colors: {
  custom: {
    50: '#8260bd',
    500: '#421f9f',
    950: '#000000',
  },
}

SCSS

$custom: #421f9f;
$custom-light: #8260bd;
$custom-dark: #000000;

JSON

{
  "hex": "#421f9f",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 256.406,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3812,
    "c": 0.18793,
    "h": 285.8
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#421F9F

secondary

#A5C357

accent

#EA3EBB

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421F9F

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

Preview Lab → · Contrast checker → · Palette generator →