#644EB2#644EB2

#644EB2 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 49.9% C 0.152 H 289.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#644EB2
RGB	rgb(100, 78, 178)
HSL	hsl(253, 39%, 50%)
HSV	hsv(253, 56%, 70%)
CMYK	cmyk(43.8%, 56.2%, 0%, 30.2%)
CIE-LAB	lab(40.20, 33.91, -50.36)
CIE-LCH	lch(40.20, 60.72, 303.96°)
OKLab	oklab(49.85% 0.0518 -0.1434)
OKLCH	oklch(49.85% 0.152 289.9)
XYZ	xyz(16.0136, 11.3719, 43.4621)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EB2 #9CB24E

analogous

#4E6AB2 #644EB2 #964EB2

triadic

#644EB2 #B2644E #4EB264

tetradic

#644EB2 #B24E6A #9CB24E #4EB296

square

#644EB2 #B24E6A #9CB24E #4EB296

split-complementary

#644EB2 #B2964E #6AB24E

monochromatic

#34295D #4C3B88 #644EB2 #8979C5 #AFA3D7

Accessibility & contrast

On white

6.41

#644EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#644EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EB2

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EB2	#FFFFFF	#000000	##FFFFFF
##644EB2	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1761B5

Deuteranopia (green-blind)

#1B5CB0

Tritanopia (blue-blind)

#4D6478

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644eb2;
/* rgb */ color: rgb(100, 78, 178);
/* oklch */ color: oklch(49.9% 0.152 289.9);

Tailwind

colors: {
  custom: {
    50: '#9580ca',
    500: '#644eb2',
    950: '#000000',
  },
}

SCSS

$custom: #644eb2;
$custom-light: #9580ca;
$custom-dark: #000000;

JSON

{
  "hex": "#644eb2",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 178
  },
  "hsl": {
    "h": 253.2,
    "s": 39.37,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49854,
    "c": 0.15247,
    "h": 289.9
  },
  "luminance": 0.11372
}

Semantic roles & 50–950 ramp

primary

#644EB2

secondary

#BAC498

accent

#CF59B5

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644EB2

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

Preview Lab → · Contrast checker → · Palette generator →