#645CCD#645CCD

#645CCD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.2% C 0.169 H 282.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#645CCD
RGB	rgb(100, 92, 205)
HSL	hsl(244, 53%, 58%)
HSV	hsv(244, 55%, 80%)
CMYK	cmyk(51.2%, 55.1%, 0%, 19.6%)
CIE-LAB	lab(45.32, 33.58, -57.83)
CIE-LCH	lch(45.32, 66.87, 300.15°)
OKLab	oklab(54.22% 0.0362 -0.1653)
OKLCH	oklch(54.22% 0.169 282.4)
XYZ	xyz(20.0988, 14.7703, 59.5377)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CCD #C5CD5C

analogous

#5C8CCD #645CCD #9C5CCD

triadic

#645CCD #CD645C #5CCD64

tetradic

#645CCD #CD5C8C #C5CD5C #5CCD9C

square

#645CCD #CD5C8C #C5CD5C #5CCD9C

split-complementary

#645CCD #CD9C5C #8CCD5C

monochromatic

#302986 #4037B4 #645CCD #918BDB #BDBAEA

Accessibility & contrast

On white

5.31

#645CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#645CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CCD

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CCD	#FFFFFF	#000000	##FFFFFF
##645CCD	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146FD1

Deuteranopia (green-blind)

#0067CB

Tritanopia (blue-blind)

#3A768B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #645ccd;
/* rgb */ color: rgb(100, 92, 205);
/* oklch */ color: oklch(54.2% 0.169 282.4);

Tailwind

colors: {
  custom: {
    50: '#988add',
    500: '#645ccd',
    950: '#000000',
  },
}

SCSS

$custom: #645ccd;
$custom-light: #988add;
$custom-dark: #000000;

JSON

{
  "hex": "#645ccd",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 205
  },
  "hsl": {
    "h": 244.248,
    "s": 53.052,
    "l": 58.235
  },
  "oklch": {
    "l": 0.54222,
    "c": 0.16921,
    "h": 282.4
  },
  "luminance": 0.14771
}

Semantic roles & 50–950 ramp

primary

#645CCD

secondary

#D6D9AC

accent

#DC4BD2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #645CCD

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

Preview Lab → · Contrast checker → · Palette generator →