#6556EB#6556EB

#6556EB is a mid, highly saturated blue. Relative luminance 0.154; OKLCH L 55.6% C 0.215 H 281.3°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#6556EB
RGBrgb(101, 86, 235)
HSLhsl(246, 79%, 63%)
HSVhsv(246, 63%, 92%)
CMYKcmyk(57%, 63.4%, 0%, 7.8%)
CIE-LABlab(46.20, 46.53, -73.46)
CIE-LCHlch(46.20, 86.95, 302.35°)
OKLaboklab(55.58% 0.0423 -0.2112)
OKLCHoklch(55.58% 0.215 281.3)
XYZxyz(23.6853, 15.4189, 80.3092)
Luminance0.1542 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6556EB #DCEB56
analogous
#5692EB #6556EB #AF56EB
triadic
#6556EB #EB6556 #56EB65
tetradic
#6556EB #EB5692 #DCEB56 #56EBAF
square
#6556EB #EB5692 #DCEB56 #56EBAF
split-complementary
#6556EB #EBAF56 #92EB56
monochromatic
#2515B2 #331FE5 #6556EB #978DF1 #C9C3F8

Accessibility & contrast

On white

5.14
#6556EB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.08
#6556EB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556EB
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6556EB#FFFFFF#000000##FFFFFF
##6556EB1.005.144.085.14
#FFFFFF5.141.0021.001.00
#0000004.0821.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0073F0
Deuteranopia (green-blind)
#0068E8
Tritanopia (blue-blind)
#157B99
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #6556eb;
/* rgb */ color: rgb(101, 86, 235);
/* oklch */ color: oklch(55.6% 0.215 281.3);
Tailwind
colors: {
  custom: {
    50: '#9d87f2',
    500: '#6556eb',
    950: '#000000',
  },
}
SCSS
$custom: #6556eb;
$custom-light: #9d87f2;
$custom-dark: #000000;
JSON
{
  "hex": "#6556eb",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 235
  },
  "hsl": {
    "h": 246.04,
    "s": 78.836,
    "l": 62.941
  },
  "oklch": {
    "l": 0.55575,
    "c": 0.21544,
    "h": 281.3
  },
  "luminance": 0.1542
}

Semantic roles & 50–950 ramp

primary
#6556EB
secondary
#E4E9B4
accent
#DB0AC6
background
#FAF8FF
surface
#F4EFFE
border
#CECAD6
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6556EB

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

Preview Lab → · Contrast checker → · Palette generator →

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