#6556BC#6556BC

#6556BC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.154 H 286.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#6556BC
RGBrgb(101, 86, 188)
HSLhsl(249, 43%, 54%)
HSVhsv(249, 54%, 74%)
CMYKcmyk(46.3%, 54.3%, 0%, 26.3%)
CIE-LABlab(42.84, 32.27, -51.97)
CIE-LCHlch(42.84, 61.17, 301.84°)
OKLaboklab(52.04% 0.0438 -0.1481)
OKLCHoklch(52.04% 0.154 286.5)
XYZxyz(17.7691, 13.0524, 49.1503)
Luminance0.1305 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6556BC #ADBC56
analogous
#567ABC #6556BC #9856BC
triadic
#6556BC #BC6556 #56BC65
tetradic
#6556BC #BC567A #ADBC56 #56BC98
square
#6556BC #BC567A #ADBC56 #56BC98
split-complementary
#6556BC #BC9856 #7ABC56
monochromatic
#352B6D #4A3C98 #6556BC #8D82CD #B5AEDF

Accessibility & contrast

On white

5.82
#6556BC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#6556BC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556BC
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6556BC#FFFFFF#000000##FFFFFF
##6556BC1.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2068C0
Deuteranopia (green-blind)
#1E62BA
Tritanopia (blue-blind)
#496C81
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #6556bc;
/* rgb */ color: rgb(101, 86, 188);
/* oklch */ color: oklch(52.0% 0.154 286.5);
Tailwind
colors: {
  custom: {
    50: '#9686d1',
    500: '#6556bc',
    950: '#000000',
  },
}
SCSS
$custom: #6556bc;
$custom-light: #9686d1;
$custom-dark: #000000;
JSON
{
  "hex": "#6556bc",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 188
  },
  "hsl": {
    "h": 248.824,
    "s": 43.22,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52044,
    "c": 0.1544,
    "h": 286.5
  },
  "luminance": 0.13053
}

Semantic roles & 50–950 ramp

primary
#6556BC
secondary
#C6CDA1
accent
#D355C0
background
#F9F8FC
surface
#F2EFF9
border
#CCCAD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #6556BC

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

Preview Lab → · Contrast checker → · Palette generator →

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