#421BA1#421BA1

#421BA1 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.194 H 285.9°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#421BA1
RGB	rgb(66, 27, 161)
HSL	hsl(257, 71%, 37%)
HSV	hsv(257, 83%, 63%)
CMYK	cmyk(59%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(25.31, 50.44, -64.61)
CIE-LCH	lch(25.31, 81.97, 307.98°)
OKLab	oklab(37.92% 0.053 -0.1861)
OKLCH	oklch(37.92% 0.194 285.9)
XYZ	xyz(9.0698, 4.5148, 34.1048)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421BA1 #7AA11B

analogous

#1B37A1 #421BA1 #851BA1

triadic

#421BA1 #A1421B #1BA142

tetradic

#421BA1 #A11B37 #7AA11B #1BA185

square

#421BA1 #A11B37 #7AA11B #1BA185

split-complementary

#421BA1 #A1851B #37A11B

monochromatic

#170938 #2D126D #421BA1 #5724D5 #7D54E2

Accessibility & contrast

On white

11.04

#421BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#421BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421BA1

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421BA1	#FFFFFF	#000000	##FFFFFF
##421BA1	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#0C4460

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421ba1;
/* rgb */ color: rgb(66, 27, 161);
/* oklch */ color: oklch(37.9% 0.194 285.9);

Tailwind

colors: {
  custom: {
    50: '#835ebe',
    500: '#421ba1',
    950: '#000000',
  },
}

SCSS

$custom: #421ba1;
$custom-light: #835ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#421ba1",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 257.463,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37919,
    "c": 0.19353,
    "h": 285.9
  },
  "luminance": 0.04515
}

Semantic roles & 50–950 ramp

primary

#421BA1

secondary

#A4C552

accent

#EE3ABA

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421BA1

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

Preview Lab → · Contrast checker → · Palette generator →