#644BCE#644BCE

#644BCE is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.5% C 0.193 H 286.2°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#644BCE
RGB	rgb(100, 75, 206)
HSL	hsl(251, 57%, 55%)
HSV	hsv(251, 64%, 81%)
CMYK	cmyk(51.5%, 63.6%, 0%, 19.2%)
CIE-LAB	lab(41.53, 43.92, -64.55)
CIE-LCH	lch(41.53, 78.07, 304.24°)
OKLab	oklab(51.46% 0.0539 -0.1851)
OKLCH	oklch(51.46% 0.193 286.2)
XYZ	xyz(18.9089, 12.1968, 59.7384)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BCE #B5CE4B

analogous

#4B74CE #644BCE #A54BCE

triadic

#644BCE #CE644B #4BCE64

tetradic

#644BCE #CE4B74 #B5CE4B #4BCEA5

square

#644BCE #CE4B74 #B5CE4B #4BCEA5

split-complementary

#644BCE #CEA54B #74CE4B

monochromatic

#33227D #472FAD #644BCE #8D7BDB #B7ABE8

Accessibility & contrast

On white

6.11

#644BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#644BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BCE

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BCE	#FFFFFF	#000000	##FFFFFF
##644BCE	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D2

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#3B6B86

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644bce;
/* rgb */ color: rgb(100, 75, 206);
/* oklch */ color: oklch(51.5% 0.193 286.2);

Tailwind

colors: {
  custom: {
    50: '#997fde',
    500: '#644bce',
    950: '#000000',
  },
}

SCSS

$custom: #644bce;
$custom-light: #997fde;
$custom-dark: #000000;

JSON

{
  "hex": "#644bce",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 206
  },
  "hsl": {
    "h": 251.45,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51458,
    "c": 0.1928,
    "h": 286.2
  },
  "luminance": 0.12198
}

Semantic roles & 50–950 ramp

primary

#644BCE

secondary

#CBD69F

accent

#E047C3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644BCE

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

Preview Lab → · Contrast checker → · Palette generator →