#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
RGBrgb(100, 140, 224)
HSLhsl(221, 67%, 64%)
HSVhsv(221, 55%, 88%)
CMYKcmyk(55.4%, 37.5%, 0%, 12.2%)
CIE-LABlab(58.83, 10.48, -46.99)
CIE-LCHlch(58.83, 48.14, 282.57°)
OKLaboklab(64.85% -0.0145 -0.1331)
OKLCHoklch(64.85% 0.134 263.8)
XYZxyz(28.0836, 26.8451, 74.2083)
Luminance0.2685 (WCAG relative)
Temperaturecool
Familyblue

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
##648CE01.003.306.376.37
#FFFFFF3.301.0021.0021.00
#0000006.3721.001.001.00
##0000006.3721.001.001.00

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 →

#648CE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva