#518BCD#518BCD

#518BCD is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.117 H 252.9°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#518BCD
RGBrgb(81, 139, 205)
HSLhsl(212, 55%, 56%)
HSVhsv(212, 60%, 80%)
CMYKcmyk(60.5%, 32.2%, 0%, 19.6%)
CIE-LABlab(56.70, 1.07, -39.75)
CIE-LCHlch(56.70, 39.76, 271.54°)
OKLaboklab(62.64% -0.0345 -0.1123)
OKLCHoklch(62.64% 0.117 252.9)
XYZxyz(23.6414, 24.6202, 61.2521)
Luminance0.2462 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518BCD #CD9351
analogous
#51C9CD #518BCD #5551CD
triadic
#518BCD #CD518B #8BCD51
tetradic
#518BCD #CD51C9 #CD9351 #51CD55
square
#518BCD #CD51C9 #CD9351 #51CD55
split-complementary
#518BCD #CD5551 #C9CD51
monochromatic
#254F7F #326CAF #518BCD #81ABDB #B0CAE8

Accessibility & contrast

On white

3.54
#518BCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#518BCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BCD
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518BCD#FFFFFF#000000##000000
##518BCD1.003.545.925.92
#FFFFFF3.541.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F8FD0
Deuteranopia (green-blind)
#5F83CC
Tritanopia (blue-blind)
#009AA3
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #518bcd;
/* rgb */ color: rgb(81, 139, 205);
/* oklch */ color: oklch(62.6% 0.117 252.9);
Tailwind
colors: {
  custom: {
    50: '#8cacdc',
    500: '#518bcd',
    950: '#000000',
  },
}
SCSS
$custom: #518bcd;
$custom-light: #8cacdc;
$custom-dark: #000000;
JSON
{
  "hex": "#518bcd",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 211.935,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.62641,
    "c": 0.11748,
    "h": 252.9
  },
  "luminance": 0.24622
}

Semantic roles & 50–950 ramp

primary
#518BCD
secondary
#D7BFA3
accent
#9949DF
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #518BCD

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

Preview Lab → · Contrast checker → · Palette generator →

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