#647AD7#647AD7

#647AD7 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.6% C 0.143 H 271.5°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#647AD7
RGBrgb(100, 122, 215)
HSLhsl(229, 59%, 62%)
HSVhsv(229, 53%, 84%)
CMYKcmyk(53.5%, 43.3%, 0%, 15.7%)
CIE-LABlab(53.53, 18.42, -50.36)
CIE-LCHlch(53.53, 53.62, 290.09°)
OKLaboklab(60.61% 0.0038 -0.1431)
OKLCHoklch(60.61% 0.143 271.5)
XYZxyz(24.4768, 21.5330, 67.1433)
Luminance0.2154 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647AD7 #D7C164
analogous
#64B3D7 #647AD7 #8864D7
triadic
#647AD7 #D7647A #7AD764
tetradic
#647AD7 #D764B3 #D7C164 #64D788
square
#647AD7 #D764B3 #D7C164 #64D788
split-complementary
#647AD7 #D78864 #B3D764
monochromatic
#283D99 #3451CA #647AD7 #95A4E4 #C5CDF0

Accessibility & contrast

On white

3.96
#647AD7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#647AD7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AD7
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647AD7#FFFFFF#000000##000000
##647AD71.003.965.315.31
#FFFFFF3.961.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5285DB
Deuteranopia (green-blind)
#457BD5
Tritanopia (blue-blind)
#2A8E9E
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #647ad7;
/* rgb */ color: rgb(100, 122, 215);
/* oklch */ color: oklch(60.6% 0.143 271.5);
Tailwind
colors: {
  custom: {
    50: '#98a0e4',
    500: '#647ad7',
    950: '#000000',
  },
}
SCSS
$custom: #647ad7;
$custom-light: #98a0e4;
$custom-dark: #000000;
JSON
{
  "hex": "#647ad7",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 215
  },
  "hsl": {
    "h": 228.522,
    "s": 58.974,
    "l": 61.765
  },
  "oklch": {
    "l": 0.60614,
    "c": 0.14315,
    "h": 271.5
  },
  "luminance": 0.21535
}

Semantic roles & 50–950 ramp

primary
#647AD7
secondary
#E1D9B6
accent
#A71FC7
background
#F9F9FE
surface
#F2F2FC
border
#CCCCD5
text
#0E0E15
muted
#7E7E84

Preview Lab

Preview with #647AD7

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

Preview Lab → · Contrast checker → · Palette generator →

#647AD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva