#644CDB#644CDB

#644CDB is a mid, highly saturated violet. Relative luminance 0.130; OKLCH L 52.7% C 0.208 H 284.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#644CDB
RGB	rgb(100, 76, 219)
HSL	hsl(250, 67%, 58%)
HSV	hsv(250, 65%, 86%)
CMYK	cmyk(54.3%, 65.3%, 0%, 14.1%)
CIE-LAB	lab(42.75, 47.21, -70.02)
CIE-LCH	lch(42.75, 84.45, 303.99°)
OKLab	oklab(52.66% 0.0516 -0.2012)
OKLCH	oklch(52.66% 0.208 284.4)
XYZ	xyz(20.6223, 12.9915, 68.4251)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CDB #C3DB4C

analogous

#4C7BDB #644CDB #AC4CDB

triadic

#644CDB #DB644C #4CDB64

tetradic

#644CDB #DB4C7B #C3DB4C #4CDBAC

square

#644CDB #DB4C7B #C3DB4C #4CDBAC

split-complementary

#644CDB #DBAC4C #7BDB4C

monochromatic

#301D90 #4127C3 #644CDB #907FE5 #BCB2EF

Accessibility & contrast

On white

5.84

#644CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#644CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CDB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CDB	#FFFFFF	#000000	##FFFFFF
##644CDB	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#2E708D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644cdb;
/* rgb */ color: rgb(100, 76, 219);
/* oklch */ color: oklch(52.7% 0.208 284.4);

Tailwind

colors: {
  custom: {
    50: '#9b80e7',
    500: '#644cdb',
    950: '#000000',
  },
}

SCSS

$custom: #644cdb;
$custom-light: #9b80e7;
$custom-dark: #000000;

JSON

{
  "hex": "#644cdb",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 219
  },
  "hsl": {
    "h": 250.07,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5266,
    "c": 0.20769,
    "h": 284.4
  },
  "luminance": 0.12993
}

Semantic roles & 50–950 ramp

primary

#644CDB

secondary

#D4DEA5

accent

#E93ECD

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CDB

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

Preview Lab → · Contrast checker → · Palette generator →