#A640A4#A640A4

#A640A4 is a mid, vivid purple. Relative luminance 0.145; OKLCH L 54.8% C 0.180 H 328.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#A640A4
RGB	rgb(166, 64, 164)
HSL	hsl(301, 44%, 45%)
HSV	hsv(301, 61%, 65%)
CMYK	cmyk(0%, 61.4%, 1.2%, 34.9%)
CIE-LAB	lab(44.88, 54.75, -34.13)
CIE-LCH	lch(44.88, 64.52, 328.06°)
OKLab	oklab(54.8% 0.1533 -0.094)
OKLCH	oklch(54.8% 0.18 328.5)
XYZ	xyz(24.2598, 14.4557, 36.6272)
Luminance	0.1445 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640A4 #40A642

analogous

#7540A6 #A640A4 #A64071

triadic

#A640A4 #A4A640 #40A4A6

tetradic

#A640A4 #A67540 #40A642 #4071A6

square

#A640A4 #A67540 #40A642 #4071A6

split-complementary

#A640A4 #71A640 #40A675

monochromatic

#4E1E4D #7A2F78 #A640A4 #C261C0 #D38DD2

Accessibility & contrast

On white

5.40

#A640A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#A640A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640A4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640A4	#FFFFFF	#000000	##FFFFFF
##A640A4	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A7

Deuteranopia (green-blind)

#596FA1

Tritanopia (blue-blind)

#AB4C6C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #a640a4;
/* rgb */ color: rgb(166, 64, 164);
/* oklch */ color: oklch(54.8% 0.180 328.5);

Tailwind

colors: {
  custom: {
    50: '#c37cbf',
    500: '#a640a4',
    950: '#000000',
  },
}

SCSS

$custom: #a640a4;
$custom-light: #c37cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#a640a4",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 301.176,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54801,
    "c": 0.17986,
    "h": 328.5
  },
  "luminance": 0.14454
}

Semantic roles & 50–950 ramp

primary

#A640A4

secondary

#84BE85

accent

#D45654

background

#FCF7FB

surface

#F8EEF7

border

#D1C9D0

text

#130A12

muted

#827C81

Preview Lab

Preview with #A640A4

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

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