#644EA0#644EA0

#644EA0 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.6% C 0.128 H 293.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#644EA0
RGB	rgb(100, 78, 160)
HSL	hsl(256, 34%, 47%)
HSV	hsv(256, 51%, 63%)
CMYK	cmyk(37.5%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(39.06, 28.73, -41.49)
CIE-LCH	lch(39.06, 50.47, 304.70°)
OKLab	oklab(48.64% 0.0509 -0.1173)
OKLCH	oklch(48.64% 0.128 293.4)
XYZ	xyz(14.3234, 10.6959, 34.5607)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA0 #8AA04E

analogous

#4E61A0 #644EA0 #8D4EA0

triadic

#644EA0 #A0644E #4EA064

tetradic

#644EA0 #A04E61 #8AA04E #4EA08D

square

#644EA0 #A04E61 #8AA04E #4EA08D

split-complementary

#644EA0 #A08D4E #61A04E

monochromatic

#31264E #4A3A77 #644EA0 #8571BA #A89ACE

Accessibility & contrast

On white

6.69

#644EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#644EA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA0

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA0	#FFFFFF	#000000	##FFFFFF
##644EA0	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5DA3

Deuteranopia (green-blind)

#325B9E

Tritanopia (blue-blind)

#555E6F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644ea0;
/* rgb */ color: rgb(100, 78, 160);
/* oklch */ color: oklch(48.6% 0.128 293.4);

Tailwind

colors: {
  custom: {
    50: '#9380bc',
    500: '#644ea0',
    950: '#000000',
  },
}

SCSS

$custom: #644ea0;
$custom-light: #9380bc;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea0",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 256.098,
    "s": 34.454,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48644,
    "c": 0.1279,
    "h": 293.4
  },
  "luminance": 0.10696
}

Semantic roles & 50–950 ramp

primary

#644EA0

secondary

#AFBB8F

accent

#CB5DAD

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA0

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

Preview Lab → · Contrast checker → · Palette generator →