#518FC7#518FC7

#518FC7 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.2% C 0.107 H 247.6°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#518FC7
RGBrgb(81, 143, 199)
HSLhsl(208, 51%, 55%)
HSVhsv(208, 59%, 78%)
CMYKcmyk(59.3%, 28.1%, 0%, 22%)
CIE-LABlab(57.57, -3.22, -35.00)
CIE-LCHlch(57.57, 35.15, 264.75°)
OKLaboklab(63.23% -0.0407 -0.0985)
OKLCHoklch(63.23% 0.107 247.6)
XYZxyz(23.5208, 25.5156, 57.7072)
Luminance0.2552 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518FC7 #C78951
analogous
#51C7C4 #518FC7 #5154C7
triadic
#518FC7 #C7518F #8FC751
tetradic
#518FC7 #C451C7 #C78951 #54C751
square
#518FC7 #C451C7 #C78951 #54C751
split-complementary
#518FC7 #C75154 #C7C451
monochromatic
#265177 #3570A6 #518FC7 #7FADD6 #AECBE5

Accessibility & contrast

On white

3.44
#518FC7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#518FC7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FC7
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518FC7#FFFFFF#000000##000000
##518FC71.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7791C9
Deuteranopia (green-blind)
#6785C6
Tritanopia (blue-blind)
#009CA3
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #518fc7;
/* rgb */ color: rgb(81, 143, 199);
/* oklch */ color: oklch(63.2% 0.107 247.6);
Tailwind
colors: {
  custom: {
    50: '#8bafd8',
    500: '#518fc7',
    950: '#000000',
  },
}
SCSS
$custom: #518fc7;
$custom-light: #8bafd8;
$custom-dark: #000000;
JSON
{
  "hex": "#518fc7",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 199
  },
  "hsl": {
    "h": 208.475,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63234,
    "c": 0.10653,
    "h": 247.6
  },
  "luminance": 0.25518
}

Semantic roles & 50–950 ramp

primary
#518FC7
secondary
#D3B9A1
accent
#904DDB
background
#F9FAFD
surface
#F1F4FA
border
#CBCED3
text
#0D1014
muted
#7E7F83

Preview Lab

Preview with #518FC7

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

Preview Lab → · Contrast checker → · Palette generator →

#518FC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva