#648FE0#648FE0

#648FE0 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.131 H 262.2°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#648FE0
RGB	rgb(100, 143, 224)
HSL	hsl(219, 67%, 64%)
HSV	hsv(219, 55%, 88%)
CMYK	cmyk(55.4%, 36.2%, 0%, 12.2%)
CIE-LAB	lab(59.65, 8.70, -45.70)
CIE-LCH	lch(59.65, 46.52, 280.78°)
OKLab	oklab(65.48% -0.0178 -0.1293)
OKLCH	oklch(65.48% 0.131 262.2)
XYZ	xyz(28.5279, 27.7338, 74.3564)
Luminance	0.2774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FE0 #E0B564

analogous

#64CDE0 #648FE0 #7764E0

triadic

#648FE0 #E0648F #8FE064

tetradic

#648FE0 #E064CD #E0B564 #64E077

square

#648FE0 #E064CD #E0B564 #64E077

split-complementary

#648FE0 #E07764 #CDE064

monochromatic

#2250A8 #316AD6 #648FE0 #97B4EA #CAD9F4

Accessibility & contrast

On white

3.21

#648FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#648FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FE0

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FE0	#FFFFFF	#000000	##000000
##648FE0	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E96E3

Deuteranopia (green-blind)

#5F8ADE

Tritanopia (blue-blind)

#11A1AD

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648fe0;
/* rgb */ color: rgb(100, 143, 224);
/* oklch */ color: oklch(65.5% 0.131 262.2);

Tailwind

colors: {
  custom: {
    50: '#98afea',
    500: '#648fe0',
    950: '#000000',
  },
}

SCSS

$custom: #648fe0;
$custom-light: #98afea;
$custom-dark: #000000;

JSON

{
  "hex": "#648fe0",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 224
  },
  "hsl": {
    "h": 219.194,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65483,
    "c": 0.1305,
    "h": 262.2
  },
  "luminance": 0.27736
}

Semantic roles & 50–950 ramp

primary

#648FE0

secondary

#E6D7BA

accent

#8F17CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FE0

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

Preview Lab → · Contrast checker → · Palette generator →