#4573D5#4573D5

#4573D5 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.159 H 263.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX#4573D5
RGBrgb(69, 115, 213)
HSLhsl(221, 63%, 55%)
HSVhsv(221, 68%, 84%)
CMYKcmyk(67.6%, 46%, 0%, 16.5%)
CIE-LABlab(49.89, 16.28, -55.13)
CIE-LCHlch(49.89, 57.48, 286.45°)
OKLaboklab(57.35% -0.0184 -0.1578)
OKLCHoklch(57.35% 0.159 263.3)
XYZxyz(20.5910, 18.3287, 65.3905)
Luminance0.1833 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4573D5 #D5A745
analogous
#45BBD5 #4573D5 #5F45D5
triadic
#4573D5 #D54573 #73D545
tetradic
#4573D5 #D545BB #D5A745 #45D55F
square
#4573D5 #D545BB #D5A745 #45D55F
split-complementary
#4573D5 #D55F45 #BBD545
monochromatic
#1D3E82 #2955B4 #4573D5 #7799E0 #A9BEEC

Accessibility & contrast

On white

4.50
#4573D5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.67
#4573D5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573D5
4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4573D5#FFFFFF#000000##000000
##4573D51.004.504.674.67
#FFFFFF4.501.0021.0021.00
#0000004.6721.001.001.00
##0000004.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#417ED9
Deuteranopia (green-blind)
#2470D3
Tritanopia (blue-blind)
#008A9A
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #4573d5;
/* rgb */ color: rgb(69, 115, 213);
/* oklch */ color: oklch(57.4% 0.159 263.3);
Tailwind
colors: {
  custom: {
    50: '#889ae2',
    500: '#4573d5',
    950: '#000000',
  },
}
SCSS
$custom: #4573d5;
$custom-light: #889ae2;
$custom-dark: #000000;
JSON
{
  "hex": "#4573d5",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 213
  },
  "hsl": {
    "h": 220.833,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57353,
    "c": 0.15889,
    "h": 263.3
  },
  "luminance": 0.18331
}

Semantic roles & 50–950 ramp

primary
#4573D5
secondary
#D9C69D
accent
#B242E6
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83

Preview Lab

Preview with #4573D5

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

Preview Lab → · Contrast checker → · Palette generator →

#4573D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva