#647DF1#647DF1

#647DF1 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.175 H 271.4°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#647DF1
RGBrgb(100, 125, 241)
HSLhsl(229, 83%, 67%)
HSVhsv(229, 59%, 95%)
CMYKcmyk(58.5%, 48.1%, 0%, 5.5%)
CIE-LABlab(55.81, 24.98, -61.26)
CIE-LCHlch(55.81, 66.16, 292.18°)
OKLaboklab(62.84% 0.0042 -0.1751)
OKLCHoklch(62.84% 0.175 271.4)
XYZxyz(28.4611, 23.7252, 86.2816)
Luminance0.2373 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647DF1 #F1D864
analogous
#64C3F1 #647DF1 #9264F1
triadic
#647DF1 #F1647D #7DF164
tetradic
#647DF1 #F164C3 #F1D864 #64F192
square
#647DF1 #F164C3 #F1D864 #64F192
split-complementary
#647DF1 #F19264 #C3F164
monochromatic
#1232C8 #2C4EEC #647DF1 #9CACF6 #D4DBFB

Accessibility & contrast

On white

3.66
#647DF1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.75
#647DF1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DF1
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647DF1#FFFFFF#000000##000000
##647DF11.003.665.755.75
#FFFFFF3.661.0021.0021.00
#0000005.7521.001.001.00
##0000005.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#428CF5
Deuteranopia (green-blind)
#2A80EF
Tritanopia (blue-blind)
#0097AB
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #647df1;
/* rgb */ color: rgb(100, 125, 241);
/* oklch */ color: oklch(62.8% 0.175 271.4);
Tailwind
colors: {
  custom: {
    50: '#9ba2f6',
    500: '#647df1',
    950: '#000000',
  },
}
SCSS
$custom: #647df1;
$custom-light: #9ba2f6;
$custom-dark: #000000;
JSON
{
  "hex": "#647df1",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 241
  },
  "hsl": {
    "h": 229.362,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62839,
    "c": 0.17515,
    "h": 271.4
  },
  "luminance": 0.23727
}

Semantic roles & 50–950 ramp

primary
#647DF1
secondary
#EFE7C2
accent
#B906E0
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0F17
muted
#7F7E85

Preview Lab

Preview with #647DF1

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

Preview Lab → · Contrast checker → · Palette generator →

#647DF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva