#518FE0#518FE0

#518FE0 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.6% C 0.138 H 255.8°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#518FE0
RGBrgb(81, 143, 224)
HSLhsl(214, 70%, 60%)
HSVhsv(214, 64%, 88%)
CMYKcmyk(63.8%, 36.2%, 0%, 12.2%)
CIE-LABlab(58.76, 5.06, -47.15)
CIE-LCHlch(58.76, 47.42, 276.13°)
OKLaboklab(64.56% -0.0338 -0.1338)
OKLCHoklch(64.56% 0.138 255.8)
XYZxyz(26.6655, 26.7735, 74.2691)
Luminance0.2678 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518FE0 #E0A251
analogous
#51D7E0 #518FE0 #5B51E0
triadic
#518FE0 #E0518F #8FE051
tetradic
#518FE0 #E051D7 #E0A251 #51E05B
square
#518FE0 #E051D7 #E0A251 #51E05B
split-complementary
#518FE0 #E05B51 #D7E051
monochromatic
#1C539B #256FCF #518FE0 #85B0E9 #B9D2F3

Accessibility & contrast

On white

3.30
#518FE0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.36
#518FE0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE0
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518FE0#FFFFFF#000000##000000
##518FE01.003.306.366.36
#FFFFFF3.301.0021.0021.00
#0000006.3621.001.001.00
##0000006.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C95E3
Deuteranopia (green-blind)
#5887DE
Tritanopia (blue-blind)
#00A2AD
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #518fe0;
/* rgb */ color: rgb(81, 143, 224);
/* oklch */ color: oklch(64.6% 0.138 255.8);
Tailwind
colors: {
  custom: {
    50: '#8fafea',
    500: '#518fe0',
    950: '#000000',
  },
}
SCSS
$custom: #518fe0;
$custom-light: #8fafea;
$custom-dark: #000000;
JSON
{
  "hex": "#518fe0",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 224
  },
  "hsl": {
    "h": 213.986,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64556,
    "c": 0.13802,
    "h": 255.8
  },
  "luminance": 0.26776
}

Semantic roles & 50–950 ramp

primary
#518FE0
secondary
#E2CAAB
accent
#A03BED
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #518FE0

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

Preview Lab → · Contrast checker → · Palette generator →

#518FE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva