#648BDC#648BDC

#648BDC is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.130 H 263.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#648BDC
RGB	rgb(100, 139, 220)
HSL	hsl(221, 63%, 63%)
HSV	hsv(221, 55%, 86%)
CMYK	cmyk(54.5%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(58.36, 9.80, -45.50)
CIE-LCH	lch(58.36, 46.54, 282.15°)
OKLab	oklab(64.42% -0.0142 -0.1287)
OKLCH	oklch(64.42% 0.13 263.7)
XYZ	xyz(27.4020, 26.3398, 71.3364)
Luminance	0.2634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BDC #DCB564

analogous

#64C7DC #648BDC #7964DC

triadic

#648BDC #DC648B #8BDC64

tetradic

#648BDC #DC64C7 #DCB564 #64DC79

square

#648BDC #DC64C7 #DCB564 #64DC79

split-complementary

#648BDC #DC7964 #C7DC64

monochromatic

#244DA1 #3266D1 #648BDC #96B0E7 #C8D6F3

Accessibility & contrast

On white

3.35

#648BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#648BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BDC

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BDC	#FFFFFF	#000000	##000000
##648BDC	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DF

Deuteranopia (green-blind)

#5C87DA

Tritanopia (blue-blind)

#1D9DA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648bdc;
/* rgb */ color: rgb(100, 139, 220);
/* oklch */ color: oklch(64.4% 0.130 263.7);

Tailwind

colors: {
  custom: {
    50: '#98ace7',
    500: '#648bdc',
    950: '#000000',
  },
}

SCSS

$custom: #648bdc;
$custom-light: #98ace7;
$custom-dark: #000000;

JSON

{
  "hex": "#648bdc",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 220.5,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64419,
    "c": 0.12953,
    "h": 263.7
  },
  "luminance": 0.26342
}

Semantic roles & 50–950 ramp

primary

#648BDC

secondary

#E4D5B8

accent

#921BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648BDC

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

Preview Lab → · Contrast checker → · Palette generator →