#647DEA#647DEA

#647DEA is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.4% C 0.166 H 271.2°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#647DEA
RGBrgb(100, 125, 234)
HSLhsl(229, 76%, 65%)
HSVhsv(229, 57%, 92%)
CMYKcmyk(57.3%, 46.6%, 0%, 8.2%)
CIE-LABlab(55.40, 22.70, -58.03)
CIE-LCHlch(55.40, 62.32, 291.37°)
OKLaboklab(62.39% 0.0034 -0.1656)
OKLCHoklch(62.39% 0.166 271.2)
XYZxyz(27.4355, 23.3150, 80.8804)
Luminance0.2332 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647DEA #EAD164
analogous
#64C0EA #647DEA #8E64EA
triadic
#647DEA #EA647D #7DEA64
tetradic
#647DEA #EA64C0 #EAD164 #64EA8E
square
#647DEA #EA64C0 #EAD164 #64EA8E
split-complementary
#647DEA #EA8E64 #C0EA64
monochromatic
#1937BA #2E50E3 #647DEA #9AAAF1 #D0D7F9

Accessibility & contrast

On white

3.71
#647DEA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#647DEA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DEA
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647DEA#FFFFFF#000000##000000
##647DEA1.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#498BEE
Deuteranopia (green-blind)
#357FE8
Tritanopia (blue-blind)
#0095A8
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #647dea;
/* rgb */ color: rgb(100, 125, 234);
/* oklch */ color: oklch(62.4% 0.166 271.2);
Tailwind
colors: {
  custom: {
    50: '#9aa2f1',
    500: '#647dea',
    950: '#000000',
  },
}
SCSS
$custom: #647dea;
$custom-light: #9aa2f1;
$custom-dark: #000000;
JSON
{
  "hex": "#647dea",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 234
  },
  "hsl": {
    "h": 228.806,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.62389,
    "c": 0.16564,
    "h": 271.2
  },
  "luminance": 0.23317
}

Semantic roles & 50–950 ramp

primary
#647DEA
secondary
#EBE3BE
accent
#B20DD8
background
#FAF9FE
surface
#F3F2FD
border
#CDCCD5
text
#0F0F17
muted
#7F7E85

Preview Lab

Preview with #647DEA

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

Preview Lab → · Contrast checker → · Palette generator →

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