#421F9E#421F9E

#421F9E is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.187 H 286.0°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#421F9E
RGB	rgb(66, 31, 158)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 80%, 62%)
CMYK	cmyk(58.2%, 80.4%, 0%, 38%)
CIE-LAB	lab(25.58, 47.87, -62.32)
CIE-LCH	lch(25.58, 78.59, 307.53°)
OKLab	oklab(38.02% 0.0516 -0.1795)
OKLCH	oklch(38.02% 0.187 286)
XYZ	xyz(8.9064, 4.6063, 32.7609)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F9E #7B9E1F

analogous

#1F3C9E #421F9E #811F9E

triadic

#421F9E #9E421F #1F9E42

tetradic

#421F9E #9E1F3C #7B9E1F #1F9E81

square

#421F9E #9E1F3C #7B9E1F #1F9E81

split-complementary

#421F9E #9E811F #3C9E1F

monochromatic

#170B38 #2D156B #421F9E #5729D1 #7E59DE

Accessibility & contrast

On white

10.93

#421F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#421F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F9E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F9E	#FFFFFF	#000000	##FFFFFF
##421F9E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#12455F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #421f9e;
/* rgb */ color: rgb(66, 31, 158);
/* oklch */ color: oklch(38.0% 0.187 286.0);

Tailwind

colors: {
  custom: {
    50: '#8260bc',
    500: '#421f9e',
    950: '#000000',
  },
}

SCSS

$custom: #421f9e;
$custom-light: #8260bc;
$custom-dark: #000000;

JSON

{
  "hex": "#421f9e",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 256.535,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38017,
    "c": 0.18679,
    "h": 286
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#421F9E

secondary

#A5C256

accent

#EA3EBB

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421F9E

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

Preview Lab → · Contrast checker → · Palette generator →