#644CBE#644CBE

#644CBE is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.4% C 0.171 H 288.4°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#644CBE
RGB	rgb(100, 76, 190)
HSL	hsl(253, 47%, 52%)
HSV	hsv(253, 60%, 75%)
CMYK	cmyk(47.4%, 60%, 0%, 25.5%)
CIE-LAB	lab(40.57, 38.62, -56.82)
CIE-LCH	lch(40.57, 68.70, 304.21°)
OKLab	oklab(50.39% 0.054 -0.1624)
OKLCH	oklch(50.39% 0.171 288.4)
XYZ	xyz(17.1316, 11.5952, 50.0406)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CBE #A6BE4C

analogous

#4C6DBE #644CBE #9D4CBE

triadic

#644CBE #BE644C #4CBE64

tetradic

#644CBE #BE4C6D #A6BE4C #4CBE9D

square

#644CBE #BE4C6D #A6BE4C #4CBE9D

split-complementary

#644CBE #BE9D4C #6DBE4C

monochromatic

#342669 #4B3796 #644CBE #8B79CE #B2A6DF

Accessibility & contrast

On white

6.33

#644CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#644CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CBE

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CBE	#FFFFFF	#000000	##FFFFFF
##644CBE	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)

#0062C2

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#47667E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644cbe;
/* rgb */ color: rgb(100, 76, 190);
/* oklch */ color: oklch(50.4% 0.171 288.4);

Tailwind

colors: {
  custom: {
    50: '#977fd2',
    500: '#644cbe',
    950: '#000000',
  },
}

SCSS

$custom: #644cbe;
$custom-light: #977fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#644cbe",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 190
  },
  "hsl": {
    "h": 252.632,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50385,
    "c": 0.17111,
    "h": 288.4
  },
  "luminance": 0.11596
}

Semantic roles & 50–950 ramp

primary

#644CBE

secondary

#C1CC9A

accent

#D651BA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CBE

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

Preview Lab → · Contrast checker → · Palette generator →