#644DBA#644DBA

#644DBA is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.3% C 0.165 H 288.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#644DBA
RGB	rgb(100, 77, 186)
HSL	hsl(253, 44%, 52%)
HSV	hsv(253, 59%, 73%)
CMYK	cmyk(46.2%, 58.6%, 0%, 27.1%)
CIE-LAB	lab(40.51, 36.85, -54.56)
CIE-LCH	lch(40.51, 65.84, 304.04°)
OKLab	oklab(50.26% 0.053 -0.1558)
OKLCH	oklch(50.26% 0.165 288.8)
XYZ	xyz(16.7698, 11.5616, 47.7929)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DBA #A3BA4D

analogous

#4D6DBA #644DBA #9B4DBA

triadic

#644DBA #BA644D #4DBA64

tetradic

#644DBA #BA4D6D #A3BA4D #4DBA9B

square

#644DBA #BA4D6D #A3BA4D #4DBA9B

split-complementary

#644DBA #BA9B4D #6DBA4D

monochromatic

#342765 #4B3891 #644DBA #8A79CB #B1A5DC

Accessibility & contrast

On white

6.34

#644DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#644DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DBA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DBA	#FFFFFF	#000000	##FFFFFF
##644DBA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BE

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#49667C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644dba;
/* rgb */ color: rgb(100, 77, 186);
/* oklch */ color: oklch(50.3% 0.165 288.8);

Tailwind

colors: {
  custom: {
    50: '#9680cf',
    500: '#644dba',
    950: '#000000',
  },
}

SCSS

$custom: #644dba;
$custom-light: #9680cf;
$custom-dark: #000000;

JSON

{
  "hex": "#644dba",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 186
  },
  "hsl": {
    "h": 252.661,
    "s": 44.13,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50256,
    "c": 0.16451,
    "h": 288.8
  },
  "luminance": 0.11562
}

Semantic roles & 50–950 ramp

primary

#644DBA

secondary

#BFC999

accent

#D454B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644DBA

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

Preview Lab → · Contrast checker → · Palette generator →