#6556EF#6556EF

#6556EF is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.9% C 0.220 H 281.0°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#6556EF
RGBrgb(101, 86, 239)
HSLhsl(246, 83%, 64%)
HSVhsv(246, 64%, 94%)
CMYKcmyk(57.7%, 64%, 0%, 6.3%)
CIE-LABlab(46.52, 47.75, -75.20)
CIE-LCHlch(46.52, 89.07, 302.41°)
OKLaboklab(55.9% 0.0419 -0.2164)
OKLCHoklch(55.9% 0.22 281)
XYZxyz(24.2697, 15.6526, 83.3870)
Luminance0.1565 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6556EF #E0EF56
analogous
#5693EF #6556EF #B156EF
triadic
#6556EF #EF6556 #56EF65
tetradic
#6556EF #EF5693 #E0EF56 #56EFB1
square
#6556EF #EF5693 #E0EF56 #56EFB1
split-complementary
#6556EF #EFB156 #93EF56
monochromatic
#2212B9 #321EEA #6556EF #988EF4 #CBC6FA

Accessibility & contrast

On white

5.08
#6556EF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#6556EF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556EF
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6556EF#FFFFFF#000000##FFFFFF
##6556EF1.005.084.135.08
#FFFFFF5.081.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0074F4
Deuteranopia (green-blind)
#0069EC
Tritanopia (blue-blind)
#067D9B
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6556ef;
/* rgb */ color: rgb(101, 86, 239);
/* oklch */ color: oklch(55.9% 0.220 281.0);
Tailwind
colors: {
  custom: {
    50: '#9e87f5',
    500: '#6556ef',
    950: '#000000',
  },
}
SCSS
$custom: #6556ef;
$custom-light: #9e87f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6556ef",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 239
  },
  "hsl": {
    "h": 245.882,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55899,
    "c": 0.22038,
    "h": 281
  },
  "luminance": 0.15654
}

Semantic roles & 50–950 ramp

primary
#6556EF
secondary
#E6EBB5
accent
#DF06CA
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6556EF

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

Preview Lab → · Contrast checker → · Palette generator →

#6556EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva