#644BCF#644BCF

#644BCF is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.5% C 0.194 H 286.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#644BCF
RGB	rgb(100, 75, 207)
HSL	hsl(251, 58%, 55%)
HSV	hsv(251, 64%, 81%)
CMYK	cmyk(51.7%, 63.8%, 0%, 18.8%)
CIE-LAB	lab(41.60, 44.22, -65.00)
CIE-LCH	lch(41.60, 78.61, 304.23°)
OKLab	oklab(51.54% 0.0538 -0.1864)
OKLCH	oklch(51.54% 0.194 286.1)
XYZ	xyz(19.0307, 12.2455, 60.3802)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BCF #B6CF4B

analogous

#4B74CF #644BCF #A64BCF

triadic

#644BCF #CF644B #4BCF64

tetradic

#644BCF #CF4B74 #B6CF4B #4BCFA6

square

#644BCF #CF4B74 #B6CF4B #4BCFA6

split-complementary

#644BCF #CFA64B #74CF4B

monochromatic

#33227E #472EAE #644BCF #8E7BDC #B7ACE9

Accessibility & contrast

On white

6.09

#644BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#644BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BCF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BCF	#FFFFFF	#000000	##FFFFFF
##644BCF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#3B6B86

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644bcf;
/* rgb */ color: rgb(100, 75, 207);
/* oklch */ color: oklch(51.5% 0.194 286.1);

Tailwind

colors: {
  custom: {
    50: '#997fdf',
    500: '#644bcf',
    950: '#000000',
  },
}

SCSS

$custom: #644bcf;
$custom-light: #997fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#644bcf",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 207
  },
  "hsl": {
    "h": 251.364,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51538,
    "c": 0.19405,
    "h": 286.1
  },
  "luminance": 0.12246
}

Semantic roles & 50–950 ramp

primary

#644BCF

secondary

#CCD69F

accent

#E147C4

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644BCF

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

Preview Lab → · Contrast checker → · Palette generator →