#644DDE#644DDE

#644DDE is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.1% C 0.210 H 283.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#644DDE
RGB	rgb(100, 77, 222)
HSL	hsl(250, 69%, 59%)
HSV	hsv(250, 65%, 87%)
CMYK	cmyk(55%, 65.3%, 0%, 12.9%)
CIE-LAB	lab(43.20, 47.55, -71.00)
CIE-LCH	lch(43.20, 85.45, 303.81°)
OKLab	oklab(53.06% 0.0503 -0.2041)
OKLCH	oklch(53.06% 0.21 283.8)
XYZ	xyz(21.0902, 13.2898, 70.5469)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DDE #C7DE4D

analogous

#4D7EDE #644DDE #AC4DDE

triadic

#644DDE #DE644D #4DDE64

tetradic

#644DDE #DE4D7E #C7DE4D #4DDEAC

square

#644DDE #DE4D7E #C7DE4D #4DDEAC

split-complementary

#644DDE #DEAC4D #7EDE4D

monochromatic

#2F1C95 #3F25C9 #644DDE #9181E8 #BEB4F1

Accessibility & contrast

On white

5.74

#644DDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#644DDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DDE

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DDE	#FFFFFF	#000000	##FFFFFF
##644DDE	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE3

Deuteranopia (green-blind)

#0061DB

Tritanopia (blue-blind)

#2B728F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644dde;
/* rgb */ color: rgb(100, 77, 222);
/* oklch */ color: oklch(53.1% 0.210 283.8);

Tailwind

colors: {
  custom: {
    50: '#9b80e9',
    500: '#644dde',
    950: '#000000',
  },
}

SCSS

$custom: #644dde;
$custom-light: #9b80e9;
$custom-dark: #000000;

JSON

{
  "hex": "#644dde",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 222
  },
  "hsl": {
    "h": 249.517,
    "s": 68.72,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53057,
    "c": 0.21018,
    "h": 283.8
  },
  "luminance": 0.13291
}

Semantic roles & 50–950 ramp

primary

#644DDE

secondary

#D7E0A7

accent

#EC3CD0

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644DDE

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

Preview Lab → · Contrast checker → · Palette generator →