#4555BB#4555BB

#4555BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.160 H 272.4°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#4555BB
RGBrgb(69, 85, 187)
HSLhsl(232, 46%, 50%)
HSVhsv(232, 63%, 73%)
CMYKcmyk(63.1%, 54.5%, 0%, 26.7%)
CIE-LABlab(40.16, 26.12, -55.83)
CIE-LCHlch(40.16, 61.64, 295.08°)
OKLaboklab(49.42% 0.0068 -0.1603)
OKLCHoklch(49.42% 0.16 272.4)
XYZxyz(14.6694, 11.3488, 48.4216)
Luminance0.1135 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4555BB #BBAB45
analogous
#4590BB #4555BB #7045BB
triadic
#4555BB #BB4555 #55BB45
tetradic
#4555BB #BB4590 #BBAB45 #45BB70
square
#4555BB #BB4590 #BBAB45 #45BB70
split-complementary
#4555BB #BB7045 #90BB45
monochromatic
#242C62 #34408F #4555BB #727ECB #9FA7DC

Accessibility & contrast

On white

6.42
#4555BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#4555BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555BB
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4555BB#FFFFFF#000000##FFFFFF
##4555BB1.006.423.276.42
#FFFFFF6.421.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0964BF
Deuteranopia (green-blind)
#005AB9
Tritanopia (blue-blind)
#006D80
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #4555bb;
/* rgb */ color: rgb(69, 85, 187);
/* oklch */ color: oklch(49.4% 0.160 272.4);
Tailwind
colors: {
  custom: {
    50: '#8584d0',
    500: '#4555bb',
    950: '#000000',
  },
}
SCSS
$custom: #4555bb;
$custom-light: #8584d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4555bb",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 231.864,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49421,
    "c": 0.16044,
    "h": 272.4
  },
  "luminance": 0.1135
}

Semantic roles & 50–950 ramp

primary
#4555BB
secondary
#C8C194
accent
#C452D6
background
#F8F8FC
surface
#F0EFF9
border
#CBCAD2
text
#0C0B14
muted
#7D7C82

Preview Lab

Preview with #4555BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4555BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva