#6553CF#6553CF

#6553CF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.9% C 0.184 H 284.8°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#6553CF
RGBrgb(101, 83, 207)
HSLhsl(249, 56%, 57%)
HSVhsv(249, 60%, 81%)
CMYKcmyk(51.2%, 59.9%, 0%, 18.8%)
CIE-LABlab(43.44, 39.77, -62.00)
CIE-LCHlch(43.44, 73.66, 302.68°)
OKLaboklab(52.9% 0.0471 -0.1776)
OKLCHoklch(52.9% 0.184 284.8)
XYZxyz(19.7192, 13.4572, 60.5778)
Luminance0.1346 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6553CF #BDCF53
analogous
#537FCF #6553CF #A353CF
triadic
#6553CF #CF6553 #53CF65
tetradic
#6553CF #CF537F #BDCF53 #53CFA3
square
#6553CF #CF537F #BDCF53 #53CFA3
split-complementary
#6553CF #CFA353 #7FCF53
monochromatic
#322583 #4532B3 #6553CF #9083DC #BBB3EA

Accessibility & contrast

On white

5.69
#6553CF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.69
#6553CF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6553CF
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6553CF#FFFFFF#000000##FFFFFF
##6553CF1.005.693.695.69
#FFFFFF5.691.0021.001.00
#0000003.6921.001.0021.00
##FFFFFF5.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006AD3
Deuteranopia (green-blind)
#0063CC
Tritanopia (blue-blind)
#3C7089
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #6553cf;
/* rgb */ color: rgb(101, 83, 207);
/* oklch */ color: oklch(52.9% 0.184 284.8);
Tailwind
colors: {
  custom: {
    50: '#9984de',
    500: '#6553cf',
    950: '#000000',
  },
}
SCSS
$custom: #6553cf;
$custom-light: #9984de;
$custom-dark: #000000;
JSON
{
  "hex": "#6553cf",
  "rgb": {
    "r": 101,
    "g": 83,
    "b": 207
  },
  "hsl": {
    "h": 248.71,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52902,
    "c": 0.18372,
    "h": 284.8
  },
  "luminance": 0.13458
}

Semantic roles & 50–950 ramp

primary
#6553CF
secondary
#D1D8A6
accent
#E048CA
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0F0B15
muted
#7E7C83

Preview Lab

Preview with #6553CF

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

Preview Lab → · Contrast checker → · Palette generator →

#6553CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva