#644EBC#644EBC

#644EBC is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.6% C 0.166 H 288.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#644EBC
RGB	rgb(100, 78, 188)
HSL	hsl(252, 45%, 52%)
HSV	hsv(252, 59%, 74%)
CMYK	cmyk(46.8%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(40.88, 36.85, -55.14)
CIE-LCH	lch(40.88, 66.32, 303.75°)
OKLab	oklab(50.57% 0.0518 -0.1574)
OKLCH	oklch(50.57% 0.166 288.2)
XYZ	xyz(17.0544, 11.7883, 48.9440)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EBC #A6BC4E

analogous

#4E6FBC #644EBC #9B4EBC

triadic

#644EBC #BC644E #4EBC64

tetradic

#644EBC #BC4E6F #A6BC4E #4EBC9B

square

#644EBC #BC4E6F #A6BC4E #4EBC9B

split-complementary

#644EBC #BC9B4E #6FBC4E

monochromatic

#342768 #4B3895 #644EBC #8B7ACD #B2A7DE

Accessibility & contrast

On white

6.25

#644EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#644EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EBC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EBC	#FFFFFF	#000000	##FFFFFF
##644EBC	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#48677D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644ebc;
/* rgb */ color: rgb(100, 78, 188);
/* oklch */ color: oklch(50.6% 0.166 288.2);

Tailwind

colors: {
  custom: {
    50: '#9680d1',
    500: '#644ebc',
    950: '#000000',
  },
}

SCSS

$custom: #644ebc;
$custom-light: #9680d1;
$custom-dark: #000000;

JSON

{
  "hex": "#644ebc",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 252,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50569,
    "c": 0.16574,
    "h": 288.2
  },
  "luminance": 0.11789
}

Semantic roles & 50–950 ramp

primary

#644EBC

secondary

#C1CB9B

accent

#D553BB

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644EBC

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

Preview Lab → · Contrast checker → · Palette generator →