#648FF0#648FF0

#648FF0 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.152 H 264.6°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#648FF0
RGBrgb(100, 143, 240)
HSLhsl(222, 82%, 67%)
HSVhsv(222, 58%, 94%)
CMYKcmyk(58.3%, 40.4%, 0%, 5.9%)
CIE-LABlab(60.47, 13.84, -53.27)
CIE-LCHlch(60.47, 55.04, 284.57°)
OKLaboklab(66.38% -0.0143 -0.1514)
OKLCHoklch(66.38% 0.152 264.6)
XYZxyz(30.8008, 28.6430, 86.3267)
Luminance0.2865 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648FF0 #F0C564
analogous
#64D5F0 #648FF0 #7F64F0
triadic
#648FF0 #F0648F #8FF064
tetradic
#648FF0 #F064D5 #F0C564 #64F07F
square
#648FF0 #F064D5 #F0C564 #64F07F
split-complementary
#648FF0 #F07F64 #D5F064
monochromatic
#134AC6 #2C67EB #648FF0 #9CB7F5 #D4E0FB

Accessibility & contrast

On white

3.12
#648FF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.73
#648FF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FF0
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648FF0#FFFFFF#000000##000000
##648FF01.003.126.736.73
#FFFFFF3.121.0021.0021.00
#0000006.7321.001.001.00
##0000006.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6599F4
Deuteranopia (green-blind)
#528CEE
Tritanopia (blue-blind)
#00A5B4
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #648ff0;
/* rgb */ color: rgb(100, 143, 240);
/* oklch */ color: oklch(66.4% 0.152 264.6);
Tailwind
colors: {
  custom: {
    50: '#9aaff5',
    500: '#648ff0',
    950: '#000000',
  },
}
SCSS
$custom: #648ff0;
$custom-light: #9aaff5;
$custom-dark: #000000;
JSON
{
  "hex": "#648ff0",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 221.571,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66383,
    "c": 0.15212,
    "h": 264.6
  },
  "luminance": 0.28646
}

Semantic roles & 50–950 ramp

primary
#648FF0
secondary
#EEE1C1
accent
#9C07DF
background
#FAFAFF
surface
#F3F4FE
border
#CDCED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #648FF0

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

Preview Lab → · Contrast checker → · Palette generator →

#648FF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva