#644EB7#644EB7

#644EB7 is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.2% C 0.159 H 289.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#644EB7
RGB	rgb(100, 78, 183)
HSL	hsl(253, 42%, 51%)
HSV	hsv(253, 57%, 72%)
CMYK	cmyk(45.4%, 57.4%, 0%, 28.2%)
CIE-LAB	lab(40.53, 35.38, -52.76)
CIE-LCH	lch(40.53, 63.53, 303.84°)
OKLab	oklab(50.21% 0.0518 -0.1505)
OKLCH	oklch(50.21% 0.159 289)
XYZ	xyz(16.5247, 11.5764, 46.1543)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EB7 #A1B74E

analogous

#4E6CB7 #644EB7 #984EB7

triadic

#644EB7 #B7644E #4EB764

tetradic

#644EB7 #B74E6C #A1B74E #4EB798

square

#644EB7 #B74E6C #A1B74E #4EB798

split-complementary

#644EB7 #B7984E #6CB74E

monochromatic

#342863 #4B3A8E #644EB7 #8A7AC9 #B0A5DA

Accessibility & contrast

On white

6.33

#644EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#644EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EB7

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EB7	#FFFFFF	#000000	##FFFFFF
##644EB7	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0962BB

Deuteranopia (green-blind)

#0E5DB5

Tritanopia (blue-blind)

#4B657B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644eb7;
/* rgb */ color: rgb(100, 78, 183);
/* oklch */ color: oklch(50.2% 0.159 289.0);

Tailwind

colors: {
  custom: {
    50: '#9680cd',
    500: '#644eb7',
    950: '#000000',
  },
}

SCSS

$custom: #644eb7;
$custom-light: #9680cd;
$custom-dark: #000000;

JSON

{
  "hex": "#644eb7",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 183
  },
  "hsl": {
    "h": 252.571,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50208,
    "c": 0.15913,
    "h": 289
  },
  "luminance": 0.11577
}

Semantic roles & 50–950 ramp

primary

#644EB7

secondary

#BEC899

accent

#D256B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644EB7

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

Preview Lab → · Contrast checker → · Palette generator →