#648ADC#648ADC

#648ADC is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.131 H 264.2°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#648ADC
RGB	rgb(100, 138, 220)
HSL	hsl(221, 63%, 63%)
HSV	hsv(221, 55%, 86%)
CMYK	cmyk(54.5%, 37.3%, 0%, 13.7%)
CIE-LAB	lab(58.09, 10.39, -45.93)
CIE-LCH	lch(58.09, 47.09, 282.75°)
OKLab	oklab(64.21% -0.0131 -0.13)
OKLCH	oklch(64.21% 0.131 264.2)
XYZ	xyz(27.2579, 26.0515, 71.2883)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ADC #DCB664

analogous

#64C6DC #648ADC #7A64DC

triadic

#648ADC #DC648A #8ADC64

tetradic

#648ADC #DC64C6 #DCB664 #64DC7A

square

#648ADC #DC64C6 #DCB664 #64DC7A

split-complementary

#648ADC #DC7A64 #C6DC64

monochromatic

#244CA1 #3264D1 #648ADC #96B0E7 #C8D5F3

Accessibility & contrast

On white

3.38

#648ADC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#648ADC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ADC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ADC	#FFFFFF	#000000	##000000
##648ADC	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6992DF

Deuteranopia (green-blind)

#5A87DA

Tritanopia (blue-blind)

#1D9CA8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648adc;
/* rgb */ color: rgb(100, 138, 220);
/* oklch */ color: oklch(64.2% 0.131 264.2);

Tailwind

colors: {
  custom: {
    50: '#98abe7',
    500: '#648adc',
    950: '#000000',
  },
}

SCSS

$custom: #648adc;
$custom-light: #98abe7;
$custom-dark: #000000;

JSON

{
  "hex": "#648adc",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 220
  },
  "hsl": {
    "h": 221,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64208,
    "c": 0.13067,
    "h": 264.2
  },
  "luminance": 0.26054
}

Semantic roles & 50–950 ramp

primary

#648ADC

secondary

#E4D6B8

accent

#931BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648ADC

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

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