#A640E3#A640E3

#A640E3 is a mid, highly saturated violet. Relative luminance 0.173; OKLCH L 58.7% C 0.237 H 309.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#A640E3
RGB	rgb(166, 64, 227)
HSL	hsl(278, 74%, 57%)
HSV	hsv(278, 72%, 89%)
CMYK	cmyk(26.9%, 71.8%, 0%, 11%)
CIE-LAB	lab(48.66, 67.01, -64.63)
CIE-LCH	lch(48.66, 93.10, 316.04°)
OKLab	oklab(58.73% 0.1508 -0.1831)
OKLCH	oklch(58.73% 0.237 309.5)
XYZ	xyz(31.4216, 17.3204, 74.3461)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640E3 #7DE340

analogous

#5540E3 #A640E3 #E340CF

triadic

#A640E3 #E3A640 #40E3A6

tetradic

#A640E3 #E35540 #7DE340 #40CFE3

square

#A640E3 #E35540 #7DE340 #40CFE3

split-complementary

#A640E3 #CFE340 #40E355

monochromatic

#641693 #881DC8 #A640E3 #BF75EB #D8ABF3

Accessibility & contrast

On white

4.70

#A640E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#A640E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640E3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640E3	#FFFFFF	#000000	##FFFFFF
##A640E3	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE8

Deuteranopia (green-blind)

#1875E0

Tritanopia (blue-blind)

#9D658E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #a640e3;
/* rgb */ color: rgb(166, 64, 227);
/* oklch */ color: oklch(58.7% 0.237 309.5);

Tailwind

colors: {
  custom: {
    50: '#c57eed',
    500: '#a640e3',
    950: '#000000',
  },
}

SCSS

$custom: #a640e3;
$custom-light: #c57eed;
$custom-dark: #000000;

JSON

{
  "hex": "#a640e3",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 227
  },
  "hsl": {
    "h": 277.546,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58727,
    "c": 0.23722,
    "h": 309.5
  },
  "luminance": 0.1732
}

Semantic roles & 50–950 ramp

primary

#A640E3

secondary

#B7E19E

accent

#F1377C

background

#FCF8FE

surface

#F9EFFD

border

#D2CAD5

text

#130B16

muted

#827C84

Preview Lab

Preview with #A640E3

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

Preview Lab → · Contrast checker → · Palette generator →