#518FBF#518FBF

#518FBF is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.097 H 243.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#518FBF
RGBrgb(81, 143, 191)
HSLhsl(206, 46%, 53%)
HSVhsv(206, 58%, 75%)
CMYKcmyk(57.6%, 25.1%, 0%, 25.1%)
CIE-LABlab(57.23, -5.79, -31.02)
CIE-LCHlch(57.23, 31.56, 259.43°)
OKLaboklab(62.84% -0.0432 -0.087)
OKLCHoklch(62.84% 0.097 243.6)
XYZxyz(22.6163, 25.1538, 52.9434)
Luminance0.2516 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518FBF #BF8151
analogous
#51BFB8 #518FBF #5158BF
triadic
#518FBF #BF518F #8FBF51
tetradic
#518FBF #B851BF #BF8151 #58BF51
square
#518FBF #B851BF #BF8151 #58BF51
split-complementary
#518FBF #BF5158 #BFB851
monochromatic
#284F6D #39709A #518FBF #7EACCF #AAC9E0

Accessibility & contrast

On white

3.48
#518FBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#518FBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FBF
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518FBF#FFFFFF#000000##000000
##518FBF1.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A90C1
Deuteranopia (green-blind)
#6B84BE
Tritanopia (blue-blind)
#009B9F
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #518fbf;
/* rgb */ color: rgb(81, 143, 191);
/* oklch */ color: oklch(62.8% 0.097 243.6);
Tailwind
colors: {
  custom: {
    50: '#8aafd2',
    500: '#518fbf',
    950: '#000000',
  },
}
SCSS
$custom: #518fbf;
$custom-light: #8aafd2;
$custom-dark: #000000;
JSON
{
  "hex": "#518fbf",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 206.182,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.62843,
    "c": 0.09711,
    "h": 243.6
  },
  "luminance": 0.25156
}

Semantic roles & 50–950 ramp

primary
#518FBF
secondary
#CEB39E
accent
#8C52D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #518FBF

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

Preview Lab → · Contrast checker → · Palette generator →

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