#421CA5#421CA5

#421CA5 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.197 H 285.0°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#421CA5
RGB	rgb(66, 28, 165)
HSL	hsl(257, 71%, 38%)
HSV	hsv(257, 83%, 65%)
CMYK	cmyk(60%, 83%, 0%, 35.3%)
CIE-LAB	lab(25.88, 51.14, -66.10)
CIE-LCH	lch(25.88, 83.57, 307.73°)
OKLab	oklab(38.44% 0.0511 -0.1905)
OKLCH	oklch(38.44% 0.197 285)
XYZ	xyz(9.4515, 4.7048, 36.0001)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421CA5 #7FA51C

analogous

#1C3BA5 #421CA5 #861CA5

triadic

#421CA5 #A5421C #1CA542

tetradic

#421CA5 #A51C3B #7FA51C #1CA586

square

#421CA5 #A51C3B #7FA51C #1CA586

split-complementary

#421CA5 #A5861C #3BA51C

monochromatic

#180A3C #2D1371 #421CA5 #5725D9 #7F59E3

Accessibility & contrast

On white

10.82

#421CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#421CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421CA5

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421CA5	#FFFFFF	#000000	##FFFFFF
##421CA5	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#014662

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #421ca5;
/* rgb */ color: rgb(66, 28, 165);
/* oklch */ color: oklch(38.4% 0.197 285.0);

Tailwind

colors: {
  custom: {
    50: '#835fc1',
    500: '#421ca5',
    950: '#000000',
  },
}

SCSS

$custom: #421ca5;
$custom-light: #835fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#421ca5",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 165
  },
  "hsl": {
    "h": 256.642,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3844,
    "c": 0.1972,
    "h": 285
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#421CA5

secondary

#A7C656

accent

#EE3ABC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421CA5

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

Preview Lab → · Contrast checker → · Palette generator →