#5183E7#5183E7

#5183E7 is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.4% C 0.160 H 262.7°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#5183E7
RGBrgb(81, 131, 231)
HSLhsl(220, 76%, 61%)
HSVhsv(220, 65%, 91%)
CMYKcmyk(64.9%, 43.3%, 0%, 9.4%)
CIE-LABlab(55.84, 14.64, -55.71)
CIE-LCHlch(55.84, 57.60, 284.72°)
OKLaboklab(62.41% -0.0205 -0.1591)
OKLCHoklch(62.41% 0.16 262.7)
XYZxyz(25.9284, 23.7490, 78.8034)
Luminance0.2375 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5183E7 #E7B551
analogous
#51CEE7 #5183E7 #6A51E7
triadic
#5183E7 #E75183 #83E751
tetradic
#5183E7 #E751CE #E7B551 #51E76A
square
#5183E7 #E751CE #E7B551 #51E76A
split-complementary
#5183E7 #E76A51 #CEE751
monochromatic
#1747A7 #1E5EDC #5183E7 #87A9EE #BDD0F6

Accessibility & contrast

On white

3.65
#5183E7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.75
#5183E7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183E7
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5183E7#FFFFFF#000000##000000
##5183E71.003.655.755.75
#FFFFFF3.651.0021.0021.00
#0000005.7521.001.001.00
##0000005.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#548DEB
Deuteranopia (green-blind)
#3B7FE5
Tritanopia (blue-blind)
#009AAA
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #5183e7;
/* rgb */ color: rgb(81, 131, 231);
/* oklch */ color: oklch(62.4% 0.160 262.7);
Tailwind
colors: {
  custom: {
    50: '#90a6ef',
    500: '#5183e7',
    950: '#000000',
  },
}
SCSS
$custom: #5183e7;
$custom-light: #90a6ef;
$custom-dark: #000000;
JSON
{
  "hex": "#5183e7",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 231
  },
  "hsl": {
    "h": 220,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.62408,
    "c": 0.1604,
    "h": 262.7
  },
  "luminance": 0.23751
}

Semantic roles & 50–950 ramp

primary
#5183E7
secondary
#E6D3AE
accent
#940ED8
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F16
muted
#7E7F84

Preview Lab

Preview with #5183E7

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

Preview Lab → · Contrast checker → · Palette generator →

#5183E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva