#644BB2#644BB2

#644BB2 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.3% C 0.157 H 290.7°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#644BB2
RGB	rgb(100, 75, 178)
HSL	hsl(255, 41%, 50%)
HSV	hsv(255, 58%, 70%)
CMYK	cmyk(43.8%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(39.51, 35.71, -51.48)
CIE-LCH	lch(39.51, 62.65, 304.74°)
OKLab	oklab(49.34% 0.0554 -0.1467)
OKLCH	oklch(49.34% 0.157 290.7)
XYZ	xyz(15.8053, 10.9553, 43.3927)
Luminance	0.1096 (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

#644BB2 #99B24B

analogous

#4B66B2 #644BB2 #984BB2

triadic

#644BB2 #B2644B #4BB264

tetradic

#644BB2 #B24B66 #99B24B #4BB298

square

#644BB2 #B24B66 #99B24B #4BB298

split-complementary

#644BB2 #B2984B #66B24B

monochromatic

#34275C #4C3987 #644BB2 #8975C5 #AEA0D7

Accessibility & contrast

On white

6.58

#644BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#644BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BB2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BB2	#FFFFFF	#000000	##FFFFFF
##644BB2	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#075FB5

Deuteranopia (green-blind)

#125BB0

Tritanopia (blue-blind)

#4D6277

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644bb2;
/* rgb */ color: rgb(100, 75, 178);
/* oklch */ color: oklch(49.3% 0.157 290.7);

Tailwind

colors: {
  custom: {
    50: '#957eca',
    500: '#644bb2',
    950: '#000000',
  },
}

SCSS

$custom: #644bb2;
$custom-light: #957eca;
$custom-dark: #000000;

JSON

{
  "hex": "#644bb2",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 254.563,
    "s": 40.711,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49341,
    "c": 0.15681,
    "h": 290.7
  },
  "luminance": 0.10956
}

Semantic roles & 50–950 ramp

primary

#644BB2

secondary

#B9C495

accent

#D157B3

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644BB2

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

Preview Lab → · Contrast checker → · Palette generator →