#647FFD#647FFD

#647FFD is a light, vivid blue. Relative luminance 0.250; OKLCH L 64.0% C 0.189 H 271.1°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#647FFD
RGBrgb(100, 127, 253)
HSLhsl(229, 97%, 69%)
HSVhsv(229, 60%, 99%)
CMYKcmyk(60.5%, 49.8%, 0%, 0.8%)
CIE-LABlab(57.05, 27.68, -65.90)
CIE-LCHlch(57.05, 71.48, 292.79°)
OKLaboklab(64.02% 0.0035 -0.1887)
OKLCHoklch(64.02% 0.189 271.1)
XYZxyz(30.5686, 24.9774, 96.1197)
Luminance0.2498 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647FFD #FDE264
analogous
#64CBFD #647FFD #9664FD
triadic
#647FFD #FD647F #7FFD64
tetradic
#647FFD #FD64CB #FDE264 #64FD96
square
#647FFD #FD64CB #FDE264 #64FD96
split-complementary
#647FFD #FD9664 #CBFD64
monochromatic
#032BE4 #284DFC #647FFD #A0B1FE #DDE3FF

Accessibility & contrast

On white

3.50
#647FFD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#647FFD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FFD
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647FFD#FFFFFF#000000##000000
##647FFD1.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#3990FF
Deuteranopia (green-blind)
#1182FA
Tritanopia (blue-blind)
#009CB2
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #647ffd;
/* rgb */ color: rgb(100, 127, 253);
/* oklch */ color: oklch(64.0% 0.189 271.1);
Tailwind
colors: {
  custom: {
    50: '#9da3ff',
    500: '#647ffd',
    950: '#000000',
  },
}
SCSS
$custom: #647ffd;
$custom-light: #9da3ff;
$custom-dark: #000000;
JSON
{
  "hex": "#647ffd",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 253
  },
  "hsl": {
    "h": 229.412,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.64016,
    "c": 0.18876,
    "h": 271.1
  },
  "luminance": 0.2498
}

Semantic roles & 50–950 ramp

primary
#647FFD
secondary
#F5EDC8
accent
#BD00E6
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F18
muted
#7F7F86

Preview Lab

Preview with #647FFD

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

Preview Lab → · Contrast checker → · Palette generator →

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