#4555CF#4555CF

#4555CF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.0% C 0.188 H 272.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#4555CF
RGBrgb(69, 85, 207)
HSLhsl(233, 59%, 54%)
HSVhsv(233, 67%, 81%)
CMYKcmyk(66.7%, 58.9%, 0%, 18.8%)
CIE-LABlab(41.64, 33.07, -65.05)
CIE-LCHlch(41.64, 72.97, 296.95°)
OKLaboklab(50.99% 0.0073 -0.1874)
OKLCHoklch(50.99% 0.188 272.2)
XYZxyz(16.9614, 12.2656, 60.4930)
Luminance0.1227 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4555CF #CFBF45
analogous
#459ACF #4555CF #7A45CF
triadic
#4555CF #CF4555 #55CF45
tetradic
#4555CF #CF459A #CFBF45 #45CF7A
square
#4555CF #CF459A #CFBF45 #45CF7A
split-complementary
#4555CF #CF7A45 #9ACF45
monochromatic
#202A7A #2C3BAB #4555CF #7681DC #A6AEE8

Accessibility & contrast

On white

6.08
#4555CF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#4555CF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555CF
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4555CF#FFFFFF#000000##FFFFFF
##4555CF1.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0069D3
Deuteranopia (green-blind)
#005CCD
Tritanopia (blue-blind)
#00738A
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #4555cf;
/* rgb */ color: rgb(69, 85, 207);
/* oklch */ color: oklch(51.0% 0.188 272.2);
Tailwind
colors: {
  custom: {
    50: '#8884df',
    500: '#4555cf',
    950: '#000000',
  },
}
SCSS
$custom: #4555cf;
$custom-light: #8884df;
$custom-dark: #000000;
JSON
{
  "hex": "#4555cf",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 233.043,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50985,
    "c": 0.18754,
    "h": 272.2
  },
  "luminance": 0.12267
}

Semantic roles & 50–950 ramp

primary
#4555CF
secondary
#D5CE9B
accent
#D046E2
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83

Preview Lab

Preview with #4555CF

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

Preview Lab → · Contrast checker → · Palette generator →

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