#644EB6#644EB6

#644EB6 is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.1% C 0.158 H 289.2°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#644EB6
RGB	rgb(100, 78, 182)
HSL	hsl(253, 42%, 51%)
HSV	hsv(253, 57%, 71%)
CMYK	cmyk(45.1%, 57.1%, 0%, 28.6%)
CIE-LAB	lab(40.47, 35.08, -52.29)
CIE-LCH	lch(40.47, 62.97, 303.86°)
OKLab	oklab(50.14% 0.0518 -0.1491)
OKLCH	oklch(50.14% 0.158 289.2)
XYZ	xyz(16.4210, 11.5349, 45.6081)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EB6 #A0B64E

analogous

#4E6CB6 #644EB6 #984EB6

triadic

#644EB6 #B6644E #4EB664

tetradic

#644EB6 #B64E6C #A0B64E #4EB698

square

#644EB6 #B64E6C #A0B64E #4EB698

split-complementary

#644EB6 #B6984E #6CB64E

monochromatic

#342861 #4C3A8D #644EB6 #8A79C8 #B0A5DA

Accessibility & contrast

On white

6.35

#644EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#644EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EB6

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EB6	#FFFFFF	#000000	##FFFFFF
##644EB6	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C62B9

Deuteranopia (green-blind)

#115DB4

Tritanopia (blue-blind)

#4B657A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644eb6;
/* rgb */ color: rgb(100, 78, 182);
/* oklch */ color: oklch(50.1% 0.158 289.2);

Tailwind

colors: {
  custom: {
    50: '#9680cc',
    500: '#644eb6',
    950: '#000000',
  },
}

SCSS

$custom: #644eb6;
$custom-light: #9680cc;
$custom-dark: #000000;

JSON

{
  "hex": "#644eb6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 182
  },
  "hsl": {
    "h": 252.692,
    "s": 41.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50136,
    "c": 0.15781,
    "h": 289.2
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#644EB6

secondary

#BDC799

accent

#D156B7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644EB6

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

Preview Lab → · Contrast checker → · Palette generator →