#647BE2#647BE2

#647BE2 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.157 H 271.6°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#647BE2
RGBrgb(100, 123, 226)
HSLhsl(229, 68%, 64%)
HSVhsv(229, 56%, 89%)
CMYKcmyk(55.8%, 45.6%, 0%, 11.4%)
CIE-LABlab(54.41, 21.33, -55.14)
CIE-LCHlch(54.41, 59.12, 291.15°)
OKLaboklab(61.49% 0.0044 -0.1571)
OKLCHoklch(61.49% 0.157 271.6)
XYZxyz(26.0614, 22.3643, 74.8802)
Luminance0.2237 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647BE2 #E2CB64
analogous
#64BAE2 #647BE2 #8C64E2
triadic
#647BE2 #E2647B #7BE264
tetradic
#647BE2 #E264BA #E2CB64 #64E28C
square
#647BE2 #E264BA #E2CB64 #64E28C
split-complementary
#647BE2 #E28C64 #BAE264
monochromatic
#203AAC #304FD8 #647BE2 #98A7EC #CBD3F5

Accessibility & contrast

On white

3.84
#647BE2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.47
#647BE2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BE2
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647BE2#FFFFFF#000000##000000
##647BE21.003.845.475.47
#FFFFFF3.841.0021.0021.00
#0000005.4721.001.001.00
##0000005.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#4C88E6
Deuteranopia (green-blind)
#3B7DE0
Tritanopia (blue-blind)
#1792A3
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #647be2;
/* rgb */ color: rgb(100, 123, 226);
/* oklch */ color: oklch(61.5% 0.157 271.6);
Tailwind
colors: {
  custom: {
    50: '#99a0ec',
    500: '#647be2',
    950: '#000000',
  },
}
SCSS
$custom: #647be2;
$custom-light: #99a0ec;
$custom-dark: #000000;
JSON
{
  "hex": "#647be2",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 226
  },
  "hsl": {
    "h": 229.048,
    "s": 68.478,
    "l": 63.922
  },
  "oklch": {
    "l": 0.61489,
    "c": 0.15718,
    "h": 271.6
  },
  "luminance": 0.22366
}

Semantic roles & 50–950 ramp

primary
#647BE2
secondary
#E7DFBB
accent
#AE15D0
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0F0E16
muted
#7E7E84

Preview Lab

Preview with #647BE2

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

Preview Lab → · Contrast checker → · Palette generator →

#647BE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva