#644CAF#644CAF

#644CAF is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.3% C 0.151 H 291.0°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#644CAF
RGB	rgb(100, 76, 175)
HSL	hsl(255, 39%, 49%)
HSV	hsv(255, 57%, 69%)
CMYK	cmyk(42.9%, 56.6%, 0%, 31.4%)
CIE-LAB	lab(39.53, 34.24, -49.66)
CIE-LCH	lch(39.53, 60.32, 304.59°)
OKLab	oklab(49.3% 0.0542 -0.1413)
OKLCH	oklch(49.3% 0.151 291)
XYZ	xyz(15.5757, 10.9729, 41.8464)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CAF #97AF4C

analogous

#4C66AF #644CAF #964CAF

triadic

#644CAF #AF644C #4CAF64

tetradic

#644CAF #AF4C66 #97AF4C #4CAF96

square

#644CAF #AF4C66 #97AF4C #4CAF96

split-complementary

#644CAF #AF964C #66AF4C

monochromatic

#33275A #4C3984 #644CAF #8875C3 #ADA0D6

Accessibility & contrast

On white

6.57

#644CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#644CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CAF

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CAF	#FFFFFF	#000000	##FFFFFF
##644CAF	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155FB2

Deuteranopia (green-blind)

#1C5BAD

Tritanopia (blue-blind)

#4F6176

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644caf;
/* rgb */ color: rgb(100, 76, 175);
/* oklch */ color: oklch(49.3% 0.151 291.0);

Tailwind

colors: {
  custom: {
    50: '#957fc7',
    500: '#644caf',
    950: '#000000',
  },
}

SCSS

$custom: #644caf;
$custom-light: #957fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#644caf",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 175
  },
  "hsl": {
    "h": 254.545,
    "s": 39.442,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49299,
    "c": 0.15137,
    "h": 291
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary

#644CAF

secondary

#B7C294

accent

#CF58B3

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644CAF

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

Preview Lab → · Contrast checker → · Palette generator →