#A643E1#A643E1

#A643E1 is a mid, highly saturated violet. Relative luminance 0.176; OKLCH L 58.9% C 0.232 H 309.7°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#A643E1
RGB	rgb(166, 67, 225)
HSL	hsl(278, 72%, 57%)
HSV	hsv(278, 70%, 88%)
CMYK	cmyk(26.2%, 70.2%, 0%, 11.8%)
CIE-LAB	lab(48.96, 65.38, -63.02)
CIE-LCH	lch(48.96, 90.80, 316.05°)
OKLab	oklab(58.89% 0.1482 -0.1784)
OKLCH	oklch(58.89% 0.232 309.7)
XYZ	xyz(31.3210, 17.5582, 72.9587)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A643E1 #7EE143

analogous

#5743E1 #A643E1 #E143CD

triadic

#A643E1 #E1A643 #43E1A6

tetradic

#A643E1 #E15743 #7EE143 #43CDE1

square

#A643E1 #E15743 #7EE143 #43CDE1

split-complementary

#A643E1 #CDE143 #43E157

monochromatic

#641792 #8920C7 #A643E1 #BF78E9 #D8ADF2

Accessibility & contrast

On white

4.65

#A643E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#A643E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A643E1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A643E1	#FFFFFF	#000000	##FFFFFF
##A643E1	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E6

Deuteranopia (green-blind)

#2376DE

Tritanopia (blue-blind)

#9E668E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #a643e1;
/* rgb */ color: rgb(166, 67, 225);
/* oklch */ color: oklch(58.9% 0.232 309.7);

Tailwind

colors: {
  custom: {
    50: '#c57feb',
    500: '#a643e1',
    950: '#000000',
  },
}

SCSS

$custom: #a643e1;
$custom-light: #c57feb;
$custom-dark: #000000;

JSON

{
  "hex": "#a643e1",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 225
  },
  "hsl": {
    "h": 277.595,
    "s": 72.477,
    "l": 57.255
  },
  "oklch": {
    "l": 0.58893,
    "c": 0.23193,
    "h": 309.7
  },
  "luminance": 0.17558
}

Semantic roles & 50–950 ramp

primary

#A643E1

secondary

#B8E0A0

accent

#EF397D

background

#FCF8FE

surface

#F9EFFD

border

#D2CAD5

text

#130B16

muted

#827C84

Preview Lab

Preview with #A643E1

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

Preview Lab → · Contrast checker → · Palette generator →