#A643E3#A643E3

#A643E3 is a mid, highly saturated violet. Relative luminance 0.177; OKLCH L 59.0% C 0.234 H 309.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#A643E3
RGB	rgb(166, 67, 227)
HSL	hsl(277, 74%, 58%)
HSV	hsv(277, 70%, 89%)
CMYK	cmyk(26.9%, 70.5%, 0%, 11%)
CIE-LAB	lab(49.09, 65.80, -63.94)
CIE-LCH	lch(49.09, 91.75, 315.82°)
OKLab	oklab(59.03% 0.1479 -0.1811)
OKLCH	oklch(59.03% 0.234 309.2)
XYZ	xyz(31.5954, 17.6679, 74.4040)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A643E3 #80E343

analogous

#5643E3 #A643E3 #E343D0

triadic

#A643E3 #E3A643 #43E3A6

tetradic

#A643E3 #E35643 #80E343 #43D0E3

square

#A643E3 #E35643 #80E343 #43D0E3

split-complementary

#A643E3 #D0E343 #43E356

monochromatic

#651695 #891ECB #A643E3 #BF78EB #D8AEF3

Accessibility & contrast

On white

4.63

#A643E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#A643E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A643E3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A643E3	#FFFFFF	#000000	##FFFFFF
##A643E3	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E8

Deuteranopia (green-blind)

#1E76E0

Tritanopia (blue-blind)

#9D678F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #a643e3;
/* rgb */ color: rgb(166, 67, 227);
/* oklch */ color: oklch(59.0% 0.234 309.2);

Tailwind

colors: {
  custom: {
    50: '#c57fed',
    500: '#a643e3',
    950: '#000000',
  },
}

SCSS

$custom: #a643e3;
$custom-light: #c57fed;
$custom-dark: #000000;

JSON

{
  "hex": "#a643e3",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 227
  },
  "hsl": {
    "h": 277.125,
    "s": 74.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59032,
    "c": 0.23384,
    "h": 309.2
  },
  "luminance": 0.17667
}

Semantic roles & 50–950 ramp

primary

#A643E3

secondary

#B9E1A1

accent

#F1377E

background

#FCF8FE

surface

#F9EFFD

border

#D2CAD5

text

#130B16

muted

#827C84

Preview Lab

Preview with #A643E3

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

Preview Lab → · Contrast checker → · Palette generator →