#647ECD#647ECD

#647ECD is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.124 H 268.8°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#647ECD
RGBrgb(100, 126, 205)
HSLhsl(225, 51%, 60%)
HSVhsv(225, 51%, 80%)
CMYKcmyk(51.2%, 38.5%, 0%, 19.6%)
CIE-LABlab(54.07, 12.84, -43.84)
CIE-LCHlch(54.07, 45.68, 286.32°)
OKLaboklab(60.85% -0.0027 -0.124)
OKLCHoklch(60.85% 0.124 268.8)
XYZxyz(23.7322, 22.0372, 60.7488)
Luminance0.2204 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647ECD #CDB364
analogous
#64B3CD #647ECD #7F64CD
triadic
#647ECD #CD647E #7ECD64
tetradic
#647ECD #CD64B3 #CDB364 #64CD7F
square
#647ECD #CD64B3 #CDB364 #64CD7F
split-complementary
#647ECD #CD7F64 #B3CD64
monochromatic
#2D448A #3B5AB8 #647ECD #92A5DC #C1CBEB

Accessibility & contrast

On white

3.88
#647ECD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.41
#647ECD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ECD
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647ECD#FFFFFF#000000##000000
##647ECD1.003.885.415.41
#FFFFFF3.881.0021.0021.00
#0000005.4121.001.001.00
##0000005.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F86D0
Deuteranopia (green-blind)
#537DCB
Tritanopia (blue-blind)
#348F9C
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #647ecd;
/* rgb */ color: rgb(100, 126, 205);
/* oklch */ color: oklch(60.9% 0.124 268.8);
Tailwind
colors: {
  custom: {
    50: '#96a3dc',
    500: '#647ecd',
    950: '#000000',
  },
}
SCSS
$custom: #647ecd;
$custom-light: #96a3dc;
$custom-dark: #000000;
JSON
{
  "hex": "#647ecd",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 205
  },
  "hsl": {
    "h": 225.143,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60854,
    "c": 0.12403,
    "h": 268.8
  },
  "luminance": 0.22039
}

Semantic roles & 50–950 ramp

primary
#647ECD
secondary
#DBD1B2
accent
#B84DDB
background
#F9FAFD
surface
#F2F3FB
border
#CCCDD4
text
#0E0F15
muted
#7E7F83

Preview Lab

Preview with #647ECD

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

Preview Lab → · Contrast checker → · Palette generator →

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