#644BAC#644BAC

#644BAC is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.9% C 0.149 H 291.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#644BAC
RGB	rgb(100, 75, 172)
HSL	hsl(255, 39%, 48%)
HSV	hsv(255, 56%, 67%)
CMYK	cmyk(41.9%, 56.4%, 0%, 32.5%)
CIE-LAB	lab(39.10, 33.97, -48.58)
CIE-LCH	lch(39.10, 59.28, 304.97°)
OKLab	oklab(48.92% 0.0554 -0.1382)
OKLCH	oklch(48.92% 0.149 291.8)
XYZ	xyz(15.2160, 10.7196, 40.2891)
Luminance	0.1072 (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

#644BAC #93AC4B

analogous

#4B62AC #644BAC #944BAC

triadic

#644BAC #AC644B #4BAC64

tetradic

#644BAC #AC4B62 #93AC4B #4BAC94

square

#644BAC #AC4B62 #93AC4B #4BAC94

split-complementary

#644BAC #AC944B #62AC4B

monochromatic

#322657 #4B3881 #644BAC #8772C2 #AB9DD4

Accessibility & contrast

On white

6.68

#644BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#644BAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BAC

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BAC	#FFFFFF	#000000	##FFFFFF
##644BAC	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185EAF

Deuteranopia (green-blind)

#1E5AAA

Tritanopia (blue-blind)

#506074

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644bac;
/* rgb */ color: rgb(100, 75, 172);
/* oklch */ color: oklch(48.9% 0.149 291.8);

Tailwind

colors: {
  custom: {
    50: '#957ec5',
    500: '#644bac',
    950: '#000000',
  },
}

SCSS

$custom: #644bac;
$custom-light: #957ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#644bac",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 172
  },
  "hsl": {
    "h": 255.464,
    "s": 39.271,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48917,
    "c": 0.14884,
    "h": 291.8
  },
  "luminance": 0.1072
}

Semantic roles & 50–950 ramp

primary

#644BAC

secondary

#B5C192

accent

#CF59B1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644BAC

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

Preview Lab → · Contrast checker → · Palette generator →