#648CD4#648CD4

#648CD4 is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.2% C 0.117 H 261.5°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#648CD4
RGBrgb(100, 140, 212)
HSLhsl(219, 57%, 61%)
HSVhsv(219, 53%, 83%)
CMYKcmyk(52.8%, 34%, 0%, 16.9%)
CIE-LABlab(58.24, 6.69, -41.20)
CIE-LCHlch(58.24, 41.74, 279.22°)
OKLaboklab(64.2% -0.0173 -0.1162)
OKLCHoklch(64.2% 0.117 261.5)
XYZxyz(26.5133, 26.2170, 65.9378)
Luminance0.2622 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648CD4 #D4AC64
analogous
#64C4D4 #648CD4 #7464D4
triadic
#648CD4 #D4648C #8CD464
tetradic
#648CD4 #D464C4 #D4AC64 #64D474
square
#648CD4 #D464C4 #D4AC64 #64D474
split-complementary
#648CD4 #D47464 #C4D464
monochromatic
#294F94 #3669C4 #648CD4 #94B0E1 #C4D3EF

Accessibility & contrast

On white

3.36
#648CD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#648CD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CD4
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648CD4#FFFFFF#000000##000000
##648CD41.003.366.246.24
#FFFFFF3.361.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7092D7
Deuteranopia (green-blind)
#6287D2
Tritanopia (blue-blind)
#299CA6
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #648cd4;
/* rgb */ color: rgb(100, 140, 212);
/* oklch */ color: oklch(64.2% 0.117 261.5);
Tailwind
colors: {
  custom: {
    50: '#97ade1',
    500: '#648cd4',
    950: '#000000',
  },
}
SCSS
$custom: #648cd4;
$custom-light: #97ade1;
$custom-dark: #000000;
JSON
{
  "hex": "#648cd4",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 212
  },
  "hsl": {
    "h": 218.571,
    "s": 56.566,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64201,
    "c": 0.11749,
    "h": 261.5
  },
  "luminance": 0.26219
}

Semantic roles & 50–950 ramp

primary
#648CD4
secondary
#DFD0B5
accent
#8A21C4
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #648CD4

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

Preview Lab → · Contrast checker → · Palette generator →

#648CD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva