#644EBB#644EBB

#644EBB is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.5% C 0.164 H 288.4°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#644EBB
RGB	rgb(100, 78, 187)
HSL	hsl(252, 44%, 52%)
HSV	hsv(252, 58%, 73%)
CMYK	cmyk(46.5%, 58.3%, 0%, 26.7%)
CIE-LAB	lab(40.81, 36.56, -54.67)
CIE-LCH	lch(40.81, 65.76, 303.77°)
OKLab	oklab(50.5% 0.0518 -0.1561)
OKLCH	oklch(50.5% 0.164 288.4)
XYZ	xyz(16.9470, 11.7453, 48.3782)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EBB #A5BB4E

analogous

#4E6FBB #644EBB #9B4EBB

triadic

#644EBB #BB644E #4EBB64

tetradic

#644EBB #BB4E6F #A5BB4E #4EBB9B

square

#644EBB #BB4E6F #A5BB4E #4EBB9B

split-complementary

#644EBB #BB9B4E #6FBB4E

monochromatic

#342867 #4B3993 #644EBB #8B7ACC #B1A6DD

Accessibility & contrast

On white

6.27

#644EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#644EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EBB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EBB	#FFFFFF	#000000	##FFFFFF
##644EBB	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#48677D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644ebb;
/* rgb */ color: rgb(100, 78, 187);
/* oklch */ color: oklch(50.5% 0.164 288.4);

Tailwind

colors: {
  custom: {
    50: '#9680d0',
    500: '#644ebb',
    950: '#000000',
  },
}

SCSS

$custom: #644ebb;
$custom-light: #9680d0;
$custom-dark: #000000;

JSON

{
  "hex": "#644ebb",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 187
  },
  "hsl": {
    "h": 252.11,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50497,
    "c": 0.16443,
    "h": 288.4
  },
  "luminance": 0.11746
}

Semantic roles & 50–950 ramp

primary

#644EBB

secondary

#C1CA9B

accent

#D454BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644EBB

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

Preview Lab → · Contrast checker → · Palette generator →