#421CA8#421CA8

#421CA8 is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.8% C 0.201 H 284.4°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#421CA8
RGB	rgb(66, 28, 168)
HSL	hsl(256, 71%, 38%)
HSV	hsv(256, 83%, 66%)
CMYK	cmyk(60.7%, 83.3%, 0%, 34.1%)
CIE-LAB	lab(26.20, 51.98, -67.37)
CIE-LCH	lch(26.20, 85.09, 307.65°)
OKLab	oklab(38.76% 0.05 -0.1942)
OKLCH	oklch(38.76% 0.201 284.4)
XYZ	xyz(9.7277, 4.8153, 37.4550)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421CA8 #82A81C

analogous

#1C3CA8 #421CA8 #881CA8

triadic

#421CA8 #A8421C #1CA842

tetradic

#421CA8 #A81C3C #82A81C #1CA888

square

#421CA8 #A81C3C #82A81C #1CA888

split-complementary

#421CA8 #A8881C #3CA81C

monochromatic

#190B3F #2D1374 #421CA8 #5726DB #805BE4

Accessibility & contrast

On white

10.70

#421CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#421CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421CA8

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421CA8	#FFFFFF	#000000	##FFFFFF
##421CA8	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #421ca8;
/* rgb */ color: rgb(66, 28, 168);
/* oklch */ color: oklch(38.8% 0.201 284.4);

Tailwind

colors: {
  custom: {
    50: '#845fc3',
    500: '#421ca8',
    950: '#000000',
  },
}

SCSS

$custom: #421ca8;
$custom-light: #845fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#421ca8",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 168
  },
  "hsl": {
    "h": 256.286,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3876,
    "c": 0.20053,
    "h": 284.4
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#421CA8

secondary

#A9C758

accent

#EE3ABD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #421CA8

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

Preview Lab → · Contrast checker → · Palette generator →