#517FEE#517FEE

#517FEE is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.0% C 0.174 H 264.8°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#517FEE
RGBrgb(81, 127, 238)
HSLhsl(222, 82%, 63%)
HSVhsv(222, 66%, 93%)
CMYKcmyk(66%, 46.6%, 0%, 6.7%)
CIE-LABlab(55.17, 19.49, -60.67)
CIE-LCHlch(55.17, 63.73, 287.81°)
OKLaboklab(62.03% -0.0157 -0.1737)
OKLCHoklch(62.03% 0.174 264.8)
XYZxyz(26.4099, 23.0986, 83.9390)
Luminance0.2310 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#517FEE #EEC051
analogous
#51CEEE #517FEE #7151EE
triadic
#517FEE #EE517F #7FEE51
tetradic
#517FEE #EE51CE #EEC051 #51EE71
square
#517FEE #EE51CE #EEC051 #51EE71
split-complementary
#517FEE #EE7151 #CEEE51
monochromatic
#1141B3 #1956E9 #517FEE #89A8F3 #C1D1F9

Accessibility & contrast

On white

3.74
#517FEE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#517FEE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FEE
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##517FEE#FFFFFF#000000##000000
##517FEE1.003.745.625.62
#FFFFFF3.741.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#468CF2
Deuteranopia (green-blind)
#247DEC
Tritanopia (blue-blind)
#0099AB
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #517fee;
/* rgb */ color: rgb(81, 127, 238);
/* oklch */ color: oklch(62.0% 0.174 264.8);
Tailwind
colors: {
  custom: {
    50: '#91a3f4',
    500: '#517fee',
    950: '#000000',
  },
}
SCSS
$custom: #517fee;
$custom-light: #91a3f4;
$custom-dark: #000000;
JSON
{
  "hex": "#517fee",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 238
  },
  "hsl": {
    "h": 222.42,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62033,
    "c": 0.17442,
    "h": 264.8
  },
  "luminance": 0.23101
}

Semantic roles & 50–950 ramp

primary
#517FEE
secondary
#EAD9B1
accent
#9F07DF
background
#F9FAFF
surface
#F2F3FE
border
#CCCDD6
text
#0E0F17
muted
#7E7F85

Preview Lab

Preview with #517FEE

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

Preview Lab → · Contrast checker → · Palette generator →

#517FEE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva