#648CE0#648CE0

#648CE0 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.8% C 0.134 H 263.8°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#648CE0
RGB	rgb(100, 140, 224)
HSL	hsl(221, 67%, 64%)
HSV	hsv(221, 55%, 88%)
CMYK	cmyk(55.4%, 37.5%, 0%, 12.2%)
CIE-LAB	lab(58.83, 10.48, -46.99)
CIE-LCH	lch(58.83, 48.14, 282.57°)
OKLab	oklab(64.85% -0.0145 -0.1331)
OKLCH	oklch(64.85% 0.134 263.8)
XYZ	xyz(28.0836, 26.8451, 74.2083)
Luminance	0.2685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CE0 #E0B864

analogous

#64CAE0 #648CE0 #7A64E0

triadic

#648CE0 #E0648C #8CE064

tetradic

#648CE0 #E064CA #E0B864 #64E07A

square

#648CE0 #E064CA #E0B864 #64E07A

split-complementary

#648CE0 #E07A64 #CAE064

monochromatic

#224DA8 #3166D6 #648CE0 #97B2EA #CAD8F4

Accessibility & contrast

On white

3.30

#648CE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#648CE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CE0

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CE0	#FFFFFF	#000000	##000000
##648CE0	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A94E3

Deuteranopia (green-blind)

#5A88DE

Tritanopia (blue-blind)

#139EAB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648ce0;
/* rgb */ color: rgb(100, 140, 224);
/* oklch */ color: oklch(64.8% 0.134 263.8);

Tailwind

colors: {
  custom: {
    50: '#98adea',
    500: '#648ce0',
    950: '#000000',
  },
}

SCSS

$custom: #648ce0;
$custom-light: #98adea;
$custom-dark: #000000;

JSON

{
  "hex": "#648ce0",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 224
  },
  "hsl": {
    "h": 220.645,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6485,
    "c": 0.13386,
    "h": 263.8
  },
  "luminance": 0.26847
}

Semantic roles & 50–950 ramp

primary

#648CE0

secondary

#E6D8BA

accent

#9317CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648CE0

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

Preview Lab → · Contrast checker → · Palette generator →