#648FDE#648FDE

#648FDE is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.128 H 261.8°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#648FDE
RGB	rgb(100, 143, 222)
HSL	hsl(219, 65%, 63%)
HSV	hsv(219, 55%, 87%)
CMYK	cmyk(55%, 35.6%, 0%, 12.9%)
CIE-LAB	lab(59.55, 8.07, -44.74)
CIE-LCH	lch(59.55, 45.46, 280.22°)
OKLab	oklab(65.38% -0.0182 -0.1265)
OKLCH	oklch(65.38% 0.128 261.8)
XYZ	xyz(28.2583, 27.6260, 72.9363)
Luminance	0.2763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FDE #DEB364

analogous

#64CCDE #648FDE #7664DE

triadic

#648FDE #DE648F #8FDE64

tetradic

#648FDE #DE64CC #DEB364 #64DE76

square

#648FDE #DE64CC #DEB364 #64DE76

split-complementary

#648FDE #DE7664 #CCDE64

monochromatic

#2351A5 #326BD3 #648FDE #96B3E9 #C9D8F3

Accessibility & contrast

On white

3.22

#648FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#648FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FDE

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FDE	#FFFFFF	#000000	##000000
##648FDE	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F96E1

Deuteranopia (green-blind)

#608ADC

Tritanopia (blue-blind)

#17A0AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648fde;
/* rgb */ color: rgb(100, 143, 222);
/* oklch */ color: oklch(65.4% 0.128 261.8);

Tailwind

colors: {
  custom: {
    50: '#98afe8',
    500: '#648fde',
    950: '#000000',
  },
}

SCSS

$custom: #648fde;
$custom-light: #98afe8;
$custom-dark: #000000;

JSON

{
  "hex": "#648fde",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 222
  },
  "hsl": {
    "h": 218.852,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65375,
    "c": 0.12779,
    "h": 261.8
  },
  "luminance": 0.27628
}

Semantic roles & 50–950 ramp

primary

#648FDE

secondary

#E5D5B9

accent

#8D19CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FDE

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

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