#647ED3#647ED3

#647ED3 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.133 H 269.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#647ED3
RGBrgb(100, 126, 211)
HSLhsl(226, 56%, 61%)
HSVhsv(226, 53%, 83%)
CMYKcmyk(52.6%, 40.3%, 0%, 17.3%)
CIE-LABlab(54.38, 14.73, -46.75)
CIE-LCHlch(54.38, 49.01, 287.49°)
OKLaboklab(61.2% -0.0014 -0.1325)
OKLCHoklch(61.2% 0.133 269.4)
XYZxyz(24.4704, 22.3325, 64.6365)
Luminance0.2233 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647ED3 #D3B964
analogous
#64B5D3 #647ED3 #8164D3
triadic
#647ED3 #D3647E #7ED364
tetradic
#647ED3 #D364B5 #D3B964 #64D381
square
#647ED3 #D364B5 #D3B964 #64D381
split-complementary
#647ED3 #D38164 #B5D364
monochromatic
#2A4293 #3758C3 #647ED3 #94A6E1 #C3CDEE

Accessibility & contrast

On white

3.84
#647ED3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.47
#647ED3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ED3
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647ED3#FFFFFF#000000##000000
##647ED31.003.845.475.47
#FFFFFF3.841.0021.0021.00
#0000005.4721.001.001.00
##0000005.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B87D6
Deuteranopia (green-blind)
#4F7ED1
Tritanopia (blue-blind)
#2E909E
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #647ed3;
/* rgb */ color: rgb(100, 126, 211);
/* oklch */ color: oklch(61.2% 0.133 269.4);
Tailwind
colors: {
  custom: {
    50: '#97a3e1',
    500: '#647ed3',
    950: '#000000',
  },
}
SCSS
$custom: #647ed3;
$custom-light: #97a3e1;
$custom-dark: #000000;
JSON
{
  "hex": "#647ed3",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 211
  },
  "hsl": {
    "h": 225.946,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61195,
    "c": 0.1325,
    "h": 269.4
  },
  "luminance": 0.22334
}

Semantic roles & 50–950 ramp

primary
#647ED3
secondary
#DED5B4
accent
#9E22C3
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83

Preview Lab

Preview with #647ED3

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

Preview Lab → · Contrast checker → · Palette generator →

#647ED3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva