#644BBD#644BBD

#644BBD is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.1% C 0.171 H 288.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#644BBD
RGB	rgb(100, 75, 189)
HSL	hsl(253, 46%, 52%)
HSV	hsv(253, 60%, 74%)
CMYK	cmyk(47.1%, 60.3%, 0%, 25.9%)
CIE-LAB	lab(40.27, 38.91, -56.71)
CIE-LCH	lch(40.27, 68.78, 304.46°)
OKLab	oklab(50.15% 0.0551 -0.1621)
OKLCH	oklch(50.15% 0.171 288.8)
XYZ	xyz(16.9543, 11.4149, 49.4442)
Luminance	0.1142 (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

#644BBD #A4BD4B

analogous

#4B6BBD #644BBD #9D4BBD

triadic

#644BBD #BD644B #4BBD64

tetradic

#644BBD #BD4B6B #A4BD4B #4BBD9D

square

#644BBD #BD4B6B #A4BD4B #4BBD9D

split-complementary

#644BBD #BD9D4B #6BBD4B

monochromatic

#342668 #4B3694 #644BBD #8B78CD #B1A5DE

Accessibility & contrast

On white

6.40

#644BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#644BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BBD

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BBD	#FFFFFF	#000000	##FFFFFF
##644BBD	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C1

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#47657D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644bbd;
/* rgb */ color: rgb(100, 75, 189);
/* oklch */ color: oklch(50.1% 0.171 288.8);

Tailwind

colors: {
  custom: {
    50: '#977ed2',
    500: '#644bbd',
    950: '#000000',
  },
}

SCSS

$custom: #644bbd;
$custom-light: #977ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#644bbd",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 189
  },
  "hsl": {
    "h": 253.158,
    "s": 46.341,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50146,
    "c": 0.17118,
    "h": 288.8
  },
  "luminance": 0.11416
}

Semantic roles & 50–950 ramp

primary

#644BBD

secondary

#C0CB99

accent

#D652B9

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644BBD

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

Preview Lab → · Contrast checker → · Palette generator →