#518BC0#518BC0

#518BC0 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 62.0% C 0.101 H 247.7°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#518BC0
RGBrgb(81, 139, 192)
HSLhsl(209, 47%, 54%)
HSVhsv(209, 58%, 75%)
CMYKcmyk(57.8%, 27.6%, 0%, 24.7%)
CIE-LABlab(56.11, -3.17, -33.33)
CIE-LCHlch(56.11, 33.48, 264.56°)
OKLaboklab(61.98% -0.0384 -0.0937)
OKLCHoklch(61.98% 0.101 247.7)
XYZxyz(22.1369, 24.0184, 53.3284)
Luminance0.2402 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518BC0 #C08651
analogous
#51C0BD #518BC0 #5153C0
triadic
#518BC0 #C0518B #8BC051
tetradic
#518BC0 #BD51C0 #C08651 #53C051
square
#518BC0 #BD51C0 #C08651 #53C051
split-complementary
#518BC0 #C05153 #C0BD51
monochromatic
#284D6F #386C9B #518BC0 #7EA9D0 #ABC7E1

Accessibility & contrast

On white

3.62
#518BC0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.80
#518BC0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BC0
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518BC0#FFFFFF#000000##000000
##518BC01.003.625.805.80
#FFFFFF3.621.0021.0021.00
#0000005.8021.001.001.00
##0000005.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#758DC2
Deuteranopia (green-blind)
#6682BF
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #518bc0;
/* rgb */ color: rgb(81, 139, 192);
/* oklch */ color: oklch(62.0% 0.101 247.7);
Tailwind
colors: {
  custom: {
    50: '#8aacd3',
    500: '#518bc0',
    950: '#000000',
  },
}
SCSS
$custom: #518bc0;
$custom-light: #8aacd3;
$custom-dark: #000000;
JSON
{
  "hex": "#518bc0",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 192
  },
  "hsl": {
    "h": 208.649,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61975,
    "c": 0.10122,
    "h": 247.7
  },
  "luminance": 0.2402
}

Semantic roles & 50–950 ramp

primary
#518BC0
secondary
#CEB59F
accent
#9151D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #518BC0

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

Preview Lab → · Contrast checker → · Palette generator →

#518BC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva