#648CDC#648CDC

#648CDC is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.128 H 263.1°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#648CDC
RGB	rgb(100, 140, 220)
HSL	hsl(220, 63%, 63%)
HSV	hsv(220, 55%, 86%)
CMYK	cmyk(54.5%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(58.63, 9.21, -45.07)
CIE-LCH	lch(58.63, 46.00, 281.54°)
OKLab	oklab(64.63% -0.0154 -0.1275)
OKLCH	oklch(64.63% 0.128 263.1)
XYZ	xyz(27.5475, 26.6307, 71.3849)
Luminance	0.2663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CDC #DCB464

analogous

#64C8DC #648CDC #7864DC

triadic

#648CDC #DC648C #8CDC64

tetradic

#648CDC #DC64C8 #DCB464 #64DC78

square

#648CDC #DC64C8 #DCB464 #64DC78

split-complementary

#648CDC #DC7864 #C8DC64

monochromatic

#244EA1 #3267D1 #648CDC #96B1E7 #C8D6F3

Accessibility & contrast

On white

3.32

#648CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#648CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CDC

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CDC	#FFFFFF	#000000	##000000
##648CDC	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DF

Deuteranopia (green-blind)

#5D88DA

Tritanopia (blue-blind)

#1C9EAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648cdc;
/* rgb */ color: rgb(100, 140, 220);
/* oklch */ color: oklch(64.6% 0.128 263.1);

Tailwind

colors: {
  custom: {
    50: '#98ade7',
    500: '#648cdc',
    950: '#000000',
  },
}

SCSS

$custom: #648cdc;
$custom-light: #98ade7;
$custom-dark: #000000;

JSON

{
  "hex": "#648cdc",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 220,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6463,
    "c": 0.1284,
    "h": 263.1
  },
  "luminance": 0.26633
}

Semantic roles & 50–950 ramp

primary

#648CDC

secondary

#E4D5B8

accent

#901BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648CDC

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

Preview Lab → · Contrast checker → · Palette generator →