#647DF9#647DF9

#647DF9 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.4% C 0.186 H 271.6°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX#647DF9
RGBrgb(100, 125, 249)
HSLhsl(230, 93%, 68%)
HSVhsv(230, 60%, 98%)
CMYKcmyk(59.8%, 49.8%, 0%, 2.4%)
CIE-LABlab(56.30, 27.58, -64.91)
CIE-LCHlch(56.30, 70.53, 293.02°)
OKLaboklab(63.37% 0.0051 -0.1858)
OKLCHoklch(63.37% 0.186 271.6)
XYZxyz(29.6823, 24.2137, 92.7137)
Luminance0.2422 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647DF9 #F9E064
analogous
#64C7F9 #647DF9 #9564F9
triadic
#647DF9 #F9647D #7DF964
tetradic
#647DF9 #F964C7 #F9E064 #64F995
square
#647DF9 #F964C7 #F9E064 #64F995
split-complementary
#647DF9 #F99564 #C7F964
monochromatic
#082CDA #294CF7 #647DF9 #9FAEFB #DAE0FE

Accessibility & contrast

On white

3.59
#647DF9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.84
#647DF9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DF9
5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647DF9#FFFFFF#000000##000000
##647DF91.003.595.845.84
#FFFFFF3.591.0021.0021.00
#0000005.8421.001.001.00
##0000005.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#398EFD
Deuteranopia (green-blind)
#1581F6
Tritanopia (blue-blind)
#0099AF
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #647df9;
/* rgb */ color: rgb(100, 125, 249);
/* oklch */ color: oklch(63.4% 0.186 271.6);
Tailwind
colors: {
  custom: {
    50: '#9ca2fc',
    500: '#647df9',
    950: '#000000',
  },
}
SCSS
$custom: #647df9;
$custom-light: #9ca2fc;
$custom-dark: #000000;
JSON
{
  "hex": "#647df9",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 249
  },
  "hsl": {
    "h": 229.933,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.63367,
    "c": 0.18589,
    "h": 271.6
  },
  "luminance": 0.24216
}

Semantic roles & 50–950 ramp

primary
#647DF9
secondary
#F3EBC6
accent
#BF00E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0F18
muted
#7F7E86

Preview Lab

Preview with #647DF9

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

Preview Lab → · Contrast checker → · Palette generator →

#647DF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva