#644BB8#644BB8

#644BB8 is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.8% C 0.165 H 289.6°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#644BB8
RGB	rgb(100, 75, 184)
HSL	hsl(254, 43%, 51%)
HSV	hsv(254, 59%, 72%)
CMYK	cmyk(45.7%, 59.2%, 0%, 27.8%)
CIE-LAB	lab(39.92, 37.45, -54.35)
CIE-LCH	lch(39.92, 66.00, 304.57°)
OKLab	oklab(49.78% 0.0553 -0.1551)
OKLCH	oklch(49.78% 0.165 289.6)
XYZ	xyz(16.4209, 11.2016, 46.6350)
Luminance	0.1120 (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

#644BB8 #9FB84B

analogous

#4B69B8 #644BB8 #9A4BB8

triadic

#644BB8 #B8644B #4BB864

tetradic

#644BB8 #B84B69 #9FB84B #4BB89A

square

#644BB8 #B84B69 #9FB84B #4BB89A

split-complementary

#644BB8 #B89A4B #69B84B

monochromatic

#342762 #4C388E #644BB8 #8A77C9 #B0A3DB

Accessibility & contrast

On white

6.48

#644BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#644BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BB8

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BB8	#FFFFFF	#000000	##FFFFFF
##644BB8	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BC

Deuteranopia (green-blind)

#005BB6

Tritanopia (blue-blind)

#4A647A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644bb8;
/* rgb */ color: rgb(100, 75, 184);
/* oklch */ color: oklch(49.8% 0.165 289.6);

Tailwind

colors: {
  custom: {
    50: '#967ece',
    500: '#644bb8',
    950: '#000000',
  },
}

SCSS

$custom: #644bb8;
$custom-light: #967ece;
$custom-dark: #000000;

JSON

{
  "hex": "#644bb8",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 184
  },
  "hsl": {
    "h": 253.761,
    "s": 43.426,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49776,
    "c": 0.16469,
    "h": 289.6
  },
  "luminance": 0.11202
}

Semantic roles & 50–950 ramp

primary

#644BB8

secondary

#BCC897

accent

#D355B6

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644BB8

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

Preview Lab → · Contrast checker → · Palette generator →