#6556DB#6556DB

#6556DB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.3% C 0.195 H 282.9°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#6556DB
RGBrgb(101, 86, 219)
HSLhsl(247, 65%, 60%)
HSVhsv(247, 61%, 86%)
CMYKcmyk(53.9%, 60.7%, 0%, 14.1%)
CIE-LABlab(44.99, 41.65, -66.36)
CIE-LCHlch(44.99, 78.35, 302.11°)
OKLaboklab(54.31% 0.0435 -0.1904)
OKLCHoklch(54.31% 0.195 282.9)
XYZxyz(21.4769, 14.5355, 68.6780)
Luminance0.1454 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6556DB #CCDB56
analogous
#568ADB #6556DB #A856DB
triadic
#6556DB #DB6556 #56DB65
tetradic
#6556DB #DB568A #CCDB56 #56DBA8
square
#6556DB #DB568A #CCDB56 #56DBA8
split-complementary
#6556DB #DBA856 #8ADB56
monochromatic
#2D2097 #3D2BC9 #6556DB #9388E6 #C1BBF0

Accessibility & contrast

On white

5.37
#6556DB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.91
#6556DB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556DB
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6556DB#FFFFFF#000000##FFFFFF
##6556DB1.005.373.915.37
#FFFFFF5.371.0021.001.00
#0000003.9121.001.0021.00
##FFFFFF5.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006FDF
Deuteranopia (green-blind)
#0066D8
Tritanopia (blue-blind)
#307690
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #6556db;
/* rgb */ color: rgb(101, 86, 219);
/* oklch */ color: oklch(54.3% 0.195 282.9);
Tailwind
colors: {
  custom: {
    50: '#9b86e7',
    500: '#6556db',
    950: '#000000',
  },
}
SCSS
$custom: #6556db;
$custom-light: #9b86e7;
$custom-dark: #000000;
JSON
{
  "hex": "#6556db",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 219
  },
  "hsl": {
    "h": 246.767,
    "s": 64.878,
    "l": 59.804
  },
  "oklch": {
    "l": 0.54312,
    "c": 0.19529,
    "h": 282.9
  },
  "luminance": 0.14537
}

Semantic roles & 50–950 ramp

primary
#6556DB
secondary
#DAE0AD
accent
#E840D5
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6556DB

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

Preview Lab → · Contrast checker → · Palette generator →

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