#644DDD#644DDD

#644DDD is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 53.0% C 0.209 H 284.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#644DDD
RGB	rgb(100, 77, 221)
HSL	hsl(250, 68%, 58%)
HSV	hsv(250, 65%, 87%)
CMYK	cmyk(54.8%, 65.2%, 0%, 13.3%)
CIE-LAB	lab(43.12, 47.25, -70.56)
CIE-LCH	lch(43.12, 84.92, 303.81°)
OKLab	oklab(52.98% 0.0504 -0.2028)
OKLCH	oklch(52.98% 0.209 284)
XYZ	xyz(20.9566, 13.2363, 69.8432)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DDD #C6DD4D

analogous

#4D7EDD #644DDD #AC4DDD

triadic

#644DDD #DD644D #4DDD64

tetradic

#644DDD #DD4D7E #C6DD4D #4DDDAC

square

#644DDD #DD4D7E #C6DD4D #4DDDAC

split-complementary

#644DDD #DDAC4D #7EDD4D

monochromatic

#2F1C93 #4026C7 #644DDD #9180E7 #BDB4F1

Accessibility & contrast

On white

5.76

#644DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#644DDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DDD

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DDD	#FFFFFF	#000000	##FFFFFF
##644DDD	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#0061DA

Tritanopia (blue-blind)

#2C718E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644ddd;
/* rgb */ color: rgb(100, 77, 221);
/* oklch */ color: oklch(53.0% 0.209 284.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#644ddd",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 221
  },
  "hsl": {
    "h": 249.583,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52975,
    "c": 0.20896,
    "h": 284
  },
  "luminance": 0.13238
}

Semantic roles & 50–950 ramp

primary

#644DDD

secondary

#D6DFA6

accent

#EB3DCF

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644DDD

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

Preview Lab → · Contrast checker → · Palette generator →