#644DB7#644DB7

#644DB7 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.0% C 0.161 H 289.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#644DB7
RGB	rgb(100, 77, 183)
HSL	hsl(253, 42%, 51%)
HSV	hsv(253, 58%, 72%)
CMYK	cmyk(45.4%, 57.9%, 0%, 28.2%)
CIE-LAB	lab(40.30, 35.97, -53.14)
CIE-LCH	lch(40.30, 64.17, 304.10°)
OKLab	oklab(50.04% 0.053 -0.1516)
OKLCH	oklch(50.04% 0.161 289.3)
XYZ	xyz(16.4542, 11.4354, 46.1308)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB7 #A0B74D

analogous

#4D6BB7 #644DB7 #994DB7

triadic

#644DB7 #B7644D #4DB764

tetradic

#644DB7 #B74D6B #A0B74D #4DB799

square

#644DB7 #B74D6B #A0B74D #4DB799

split-complementary

#644DB7 #B7994D #6BB74D

monochromatic

#342862 #4C398E #644DB7 #8A79C9 #B0A4DA

Accessibility & contrast

On white

6.39

#644DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#644DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB7

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB7	#FFFFFF	#000000	##FFFFFF
##644DB7	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0261BB

Deuteranopia (green-blind)

#095CB5

Tritanopia (blue-blind)

#4B657A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644db7;
/* rgb */ color: rgb(100, 77, 183);
/* oklch */ color: oklch(50.0% 0.161 289.3);

Tailwind

colors: {
  custom: {
    50: '#967fcd',
    500: '#644db7',
    950: '#000000',
  },
}

SCSS

$custom: #644db7;
$custom-light: #967fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#644db7",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 183
  },
  "hsl": {
    "h": 253.019,
    "s": 42.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50038,
    "c": 0.16056,
    "h": 289.3
  },
  "luminance": 0.11436
}

Semantic roles & 50–950 ramp

primary

#644DB7

secondary

#BDC798

accent

#D256B7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DB7

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

Preview Lab → · Contrast checker → · Palette generator →