#421FA1#421FA1

#421FA1 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.3% C 0.190 H 285.4°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#421FA1
RGB	rgb(66, 31, 161)
HSL	hsl(256, 68%, 38%)
HSV	hsv(256, 81%, 63%)
CMYK	cmyk(59%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(25.89, 48.72, -63.64)
CIE-LCH	lch(25.89, 80.15, 307.44°)
OKLab	oklab(38.33% 0.0507 -0.1833)
OKLCH	oklch(38.33% 0.19 285.4)
XYZ	xyz(9.1678, 4.7109, 34.1375)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FA1 #7EA11F

analogous

#1F3DA1 #421FA1 #831FA1

triadic

#421FA1 #A1421F #1FA142

tetradic

#421FA1 #A11F3D #7EA11F #1FA183

square

#421FA1 #A11F3D #7EA11F #1FA183

split-complementary

#421FA1 #A1831F #3DA11F

monochromatic

#180B3A #2D156E #421FA1 #5729D4 #7F5BDF

Accessibility & contrast

On white

10.81

#421FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#421FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FA1

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FA1	#FFFFFF	#000000	##FFFFFF
##421FA1	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A5

Deuteranopia (green-blind)

#00399F

Tritanopia (blue-blind)

#0C4660

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #421fa1;
/* rgb */ color: rgb(66, 31, 161);
/* oklch */ color: oklch(38.3% 0.190 285.4);

Tailwind

colors: {
  custom: {
    50: '#8260be',
    500: '#421fa1',
    950: '#000000',
  },
}

SCSS

$custom: #421fa1;
$custom-light: #8260be;
$custom-dark: #000000;

JSON

{
  "hex": "#421fa1",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 256.154,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38327,
    "c": 0.19021,
    "h": 285.4
  },
  "luminance": 0.04711
}

Semantic roles & 50–950 ramp

primary

#421FA1

secondary

#A7C458

accent

#EB3DBC

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421FA1

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

Preview Lab → · Contrast checker → · Palette generator →