#647AEA#647AEA

#647AEA is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.8% C 0.169 H 272.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#647AEA
RGBrgb(100, 122, 234)
HSLhsl(230, 76%, 65%)
HSVhsv(230, 57%, 92%)
CMYKcmyk(57.3%, 47.9%, 0%, 8.2%)
CIE-LABlab(54.62, 24.52, -59.27)
CIE-LCHlch(54.62, 64.15, 292.48°)
OKLaboklab(61.8% 0.0065 -0.1693)
OKLCHoklch(61.8% 0.169 272.2)
XYZxyz(27.0615, 22.5668, 80.7557)
Luminance0.2257 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647AEA #EAD464
analogous
#64BDEA #647AEA #9164EA
triadic
#647AEA #EA647A #7AEA64
tetradic
#647AEA #EA64BD #EAD464 #64EA91
square
#647AEA #EA64BD #EAD464 #64EA91
split-complementary
#647AEA #EA9164 #BDEA64
monochromatic
#1934BA #2E4CE3 #647AEA #9AA8F1 #D0D6F9

Accessibility & contrast

On white

3.81
#647AEA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.51
#647AEA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AEA
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647AEA#FFFFFF#000000##000000
##647AEA1.003.815.515.51
#FFFFFF3.811.0021.0021.00
#0000005.5121.001.001.00
##0000005.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#4389EE
Deuteranopia (green-blind)
#2D7DE8
Tritanopia (blue-blind)
#0093A7
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #647aea;
/* rgb */ color: rgb(100, 122, 234);
/* oklch */ color: oklch(61.8% 0.169 272.2);
Tailwind
colors: {
  custom: {
    50: '#9aa0f1',
    500: '#647aea',
    950: '#000000',
  },
}
SCSS
$custom: #647aea;
$custom-light: #9aa0f1;
$custom-dark: #000000;
JSON
{
  "hex": "#647aea",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 234
  },
  "hsl": {
    "h": 230.149,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61802,
    "c": 0.1694,
    "h": 272.2
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary
#647AEA
secondary
#EBE4BE
accent
#B70DD8
background
#FAF9FE
surface
#F3F2FD
border
#CDCCD5
text
#0F0E17
muted
#7F7E85

Preview Lab

Preview with #647AEA

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

Preview Lab → · Contrast checker → · Palette generator →

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