#647DFD#647DFD

#647DFD is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.6% C 0.191 H 271.6°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#647DFD
RGBrgb(100, 125, 253)
HSLhsl(230, 97%, 69%)
HSVhsv(230, 60%, 99%)
CMYKcmyk(60.5%, 50.6%, 0%, 0.8%)
CIE-LABlab(56.55, 28.89, -66.71)
CIE-LCHlch(56.55, 72.70, 293.42°)
OKLaboklab(63.64% 0.0054 -0.1911)
OKLCHoklch(63.64% 0.191 271.6)
XYZxyz(30.3129, 24.4659, 96.0344)
Luminance0.2447 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647DFD #FDE464
analogous
#64CAFD #647DFD #9864FD
triadic
#647DFD #FD647D #7DFD64
tetradic
#647DFD #FD64CA #FDE464 #64FD98
square
#647DFD #FD64CA #FDE464 #64FD98
split-complementary
#647DFD #FD9864 #CAFD64
monochromatic
#0328E4 #284AFC #647DFD #A0B0FE #DDE2FF

Accessibility & contrast

On white

3.56
#647DFD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#647DFD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DFD
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647DFD#FFFFFF#000000##000000
##647DFD1.003.565.895.89
#FFFFFF3.561.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#348FFF
Deuteranopia (green-blind)
#0081FA
Tritanopia (blue-blind)
#009BB1
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #647dfd;
/* rgb */ color: rgb(100, 125, 253);
/* oklch */ color: oklch(63.6% 0.191 271.6);
Tailwind
colors: {
  custom: {
    50: '#9da2ff',
    500: '#647dfd',
    950: '#000000',
  },
}
SCSS
$custom: #647dfd;
$custom-light: #9da2ff;
$custom-dark: #000000;
JSON
{
  "hex": "#647dfd",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 253
  },
  "hsl": {
    "h": 230.196,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.63636,
    "c": 0.19121,
    "h": 271.6
  },
  "luminance": 0.24468
}

Semantic roles & 50–950 ramp

primary
#647DFD
secondary
#F5EDC8
accent
#C000E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#100F18
muted
#7F7E86

Preview Lab

Preview with #647DFD

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

Preview Lab → · Contrast checker → · Palette generator →

#647DFD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva