#A428B1#A428B1

#A428B1 is a mid, highly saturated purple. Relative luminance 0.126; OKLCH L 53.0% C 0.218 H 323.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#A428B1
RGB	rgb(164, 40, 177)
HSL	hsl(294, 63%, 43%)
HSV	hsv(294, 77%, 69%)
CMYK	cmyk(7.3%, 77.4%, 0%, 30.6%)
CIE-LAB	lab(42.13, 65.47, -46.22)
CIE-LCH	lch(42.13, 80.15, 324.78°)
OKLab	oklab(53% 0.176 -0.1291)
OKLCH	oklch(53% 0.218 323.7)
XYZ	xyz(24.0037, 12.5859, 42.7515)
Luminance	0.1258 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A428B1 #35B128

analogous

#6028B1 #A428B1 #B12879

triadic

#A428B1 #B1A428 #28B1A4

tetradic

#A428B1 #B16028 #35B128 #2879B1

square

#A428B1 #B16028 #35B128 #2879B1

split-complementary

#A428B1 #79B128 #28B160

monochromatic

#47114D #761D7F #A428B1 #C642D4 #D574E0

Accessibility & contrast

On white

5.97

#A428B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#A428B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A428B1

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A428B1	#FFFFFF	#000000	##FFFFFF
##A428B1	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB5

Deuteranopia (green-blind)

#4268AE

Tritanopia (blue-blind)

#A7436C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a428b1;
/* rgb */ color: rgb(164, 40, 177);
/* oklch */ color: oklch(53.0% 0.218 323.7);

Tailwind

colors: {
  custom: {
    50: '#c371c9',
    500: '#a428b1',
    950: '#000000',
  },
}

SCSS

$custom: #a428b1;
$custom-light: #c371c9;
$custom-dark: #000000;

JSON

{
  "hex": "#a428b1",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 177
  },
  "hsl": {
    "h": 294.307,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52999,
    "c": 0.21823,
    "h": 323.7
  },
  "luminance": 0.12584
}

Semantic roles & 50–950 ramp

primary

#A428B1

secondary

#76C76E

accent

#E64251

background

#FCF7FC

surface

#F8EDF8

border

#D1C8D1

text

#130913

muted

#827B82

Preview Lab

Preview with #A428B1

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

Preview Lab → · Contrast checker → · Palette generator →