#644BDB#644BDB

#644BDB is a mid, highly saturated violet. Relative luminance 0.129; OKLCH L 52.5% C 0.209 H 284.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#644BDB
RGB	rgb(100, 75, 219)
HSL	hsl(250, 67%, 58%)
HSV	hsv(250, 66%, 86%)
CMYK	cmyk(54.3%, 65.8%, 0%, 14.1%)
CIE-LAB	lab(42.54, 47.77, -70.35)
CIE-LCH	lch(42.54, 85.04, 304.18°)
OKLab	oklab(52.51% 0.0525 -0.2022)
OKLCH	oklch(52.51% 0.209 284.5)
XYZ	xyz(20.5539, 12.8548, 68.4023)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BDB #C2DB4B

analogous

#4B7ADB #644BDB #AC4BDB

triadic

#644BDB #DB644B #4BDB64

tetradic

#644BDB #DB4B7A #C2DB4B #4BDBAC

square

#644BDB #DB4B7A #C2DB4B #4BDBAC

split-complementary

#644BDB #DBAC4B #7ADB4B

monochromatic

#301D8F #4227C2 #644BDB #907EE5 #BCB1EF

Accessibility & contrast

On white

5.88

#644BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#644BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BDB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BDB	#FFFFFF	#000000	##FFFFFF
##644BDB	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#2F6F8D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644bdb;
/* rgb */ color: rgb(100, 75, 219);
/* oklch */ color: oklch(52.5% 0.209 284.5);

Tailwind

colors: {
  custom: {
    50: '#9b7fe7',
    500: '#644bdb',
    950: '#000000',
  },
}

SCSS

$custom: #644bdb;
$custom-light: #9b7fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#644bdb",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 219
  },
  "hsl": {
    "h": 250.417,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52511,
    "c": 0.20888,
    "h": 284.5
  },
  "luminance": 0.12856
}

Semantic roles & 50–950 ramp

primary

#644BDB

secondary

#D4DEA4

accent

#EA3ECC

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644BDB

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

Preview Lab → · Contrast checker → · Palette generator →