#644FBD#644FBD

#644FBD is a mid, vivid violet. Relative luminance 0.120; OKLCH L 50.8% C 0.166 H 287.8°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#644FBD
RGB	rgb(100, 79, 189)
HSL	hsl(251, 45%, 53%)
HSV	hsv(251, 58%, 74%)
CMYK	cmyk(47.1%, 58.2%, 0%, 25.9%)
CIE-LAB	lab(41.18, 36.55, -55.24)
CIE-LCH	lch(41.18, 66.24, 303.49°)
OKLab	oklab(50.81% 0.0506 -0.1577)
OKLCH	oklch(50.81% 0.166 287.8)
XYZ	xyz(17.2342, 11.9747, 49.5375)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FBD #A8BD4F

analogous

#4F71BD #644FBD #9B4FBD

triadic

#644FBD #BD644F #4FBD64

tetradic

#644FBD #BD4F71 #A8BD4F #4FBD9B

square

#644FBD #BD4F71 #A8BD4F #4FBD9B

split-complementary

#644FBD #BD9B4F #71BD4F

monochromatic

#34286A #4A3896 #644FBD #8B7CCE #B2A8DE

Accessibility & contrast

On white

6.19

#644FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#644FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FBD

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FBD	#FFFFFF	#000000	##FFFFFF
##644FBD	1.00	6.19	3.40	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#47687E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644fbd;
/* rgb */ color: rgb(100, 79, 189);
/* oklch */ color: oklch(50.8% 0.166 287.8);

Tailwind

colors: {
  custom: {
    50: '#9681d2',
    500: '#644fbd',
    950: '#000000',
  },
}

SCSS

$custom: #644fbd;
$custom-light: #9681d2;
$custom-dark: #000000;

JSON

{
  "hex": "#644fbd",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 189
  },
  "hsl": {
    "h": 251.455,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50811,
    "c": 0.16567,
    "h": 287.8
  },
  "luminance": 0.11975
}

Semantic roles & 50–950 ramp

primary

#644FBD

secondary

#C3CC9C

accent

#D553BC

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644FBD

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

Preview Lab → · Contrast checker → · Palette generator →