#6455BB#6455BB

#6455BB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.155 H 286.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#6455BB
RGBrgb(100, 85, 187)
HSLhsl(249, 43%, 53%)
HSVhsv(249, 55%, 73%)
CMYKcmyk(46.5%, 54.5%, 0%, 26.7%)
CIE-LABlab(42.45, 32.35, -52.02)
CIE-LCHlch(42.45, 61.26, 301.88°)
OKLaboklab(51.71% 0.0437 -0.1482)
OKLCHoklch(51.71% 0.155 286.4)
XYZxyz(17.4711, 12.7934, 48.5529)
Luminance0.1279 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6455BB #ACBB55
analogous
#5579BB #6455BB #9755BB
triadic
#6455BB #BB6455 #55BB64
tetradic
#6455BB #BB5579 #ACBB55 #55BB97
square
#6455BB #BB5579 #ACBB55 #55BB97
split-complementary
#6455BB #BB9755 #79BB55
monochromatic
#342B6B #4A3C97 #6455BB #8C81CC #B4ACDE

Accessibility & contrast

On white

5.90
#6455BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#6455BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6455BB
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6455BB#FFFFFF#000000##FFFFFF
##6455BB1.005.903.565.90
#FFFFFF5.901.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E67BE
Deuteranopia (green-blind)
#1C61B9
Tritanopia (blue-blind)
#486B80
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #6455bb;
/* rgb */ color: rgb(100, 85, 187);
/* oklch */ color: oklch(51.7% 0.155 286.4);
Tailwind
colors: {
  custom: {
    50: '#9685d0',
    500: '#6455bb',
    950: '#000000',
  },
}
SCSS
$custom: #6455bb;
$custom-light: #9685d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6455bb",
  "rgb": {
    "r": 100,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 248.824,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51711,
    "c": 0.15454,
    "h": 286.4
  },
  "luminance": 0.12794
}

Semantic roles & 50–950 ramp

primary
#6455BB
secondary
#C5CCA0
accent
#D355C0
background
#F9F8FC
surface
#F2EFF9
border
#CCCAD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #6455BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6455BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva