#644DDA#644DDA

#644DDA is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.7% C 0.205 H 284.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#644DDA
RGB	rgb(100, 77, 218)
HSL	hsl(250, 66%, 58%)
HSV	hsv(250, 65%, 85%)
CMYK	cmyk(54.1%, 64.7%, 0%, 14.5%)
CIE-LAB	lab(42.88, 46.35, -69.23)
CIE-LCH	lch(42.88, 83.32, 303.80°)
OKLab	oklab(52.73% 0.0508 -0.1989)
OKLCH	oklch(52.73% 0.205 284.3)
XYZ	xyz(20.5605, 13.0779, 67.7570)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DDA #C3DA4D

analogous

#4D7DDA #644DDA #AA4DDA

triadic

#644DDA #DA644D #4DDA64

tetradic

#644DDA #DA4D7D #C3DA4D #4DDAAA

square

#644DDA #DA4D7D #C3DA4D #4DDAAA

split-complementary

#644DDA #DAAA4D #7DDA4D

monochromatic

#301E8F #4128C2 #644DDA #9080E5 #BCB2EF

Accessibility & contrast

On white

5.81

#644DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#644DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DDA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DDA	#FFFFFF	#000000	##FFFFFF
##644DDA	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DE

Deuteranopia (green-blind)

#0061D7

Tritanopia (blue-blind)

#2F708D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644dda;
/* rgb */ color: rgb(100, 77, 218);
/* oklch */ color: oklch(52.7% 0.205 284.3);

Tailwind

colors: {
  custom: {
    50: '#9a80e6',
    500: '#644dda',
    950: '#000000',
  },
}

SCSS

$custom: #644dda;
$custom-light: #9a80e6;
$custom-dark: #000000;

JSON

{
  "hex": "#644dda",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 218
  },
  "hsl": {
    "h": 249.787,
    "s": 65.581,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5273,
    "c": 0.20526,
    "h": 284.3
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#644DDA

secondary

#D4DEA5

accent

#E93FCD

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644DDA

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

Preview Lab → · Contrast checker → · Palette generator →