#518EC8#518EC8

#518EC8 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.1% C 0.109 H 248.8°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#518EC8
RGB	rgb(81, 142, 200)
HSL	hsl(209, 52%, 55%)
HSV	hsv(209, 60%, 78%)
CMYK	cmyk(59.5%, 29%, 0%, 21.6%)
CIE-LAB	lab(57.33, -2.32, -35.95)
CIE-LCH	lch(57.33, 36.02, 266.31°)
OKLab	oklab(63.06% -0.0392 -0.1012)
OKLCH	oklch(63.06% 0.109 248.8)
XYZ	xyz(23.4879, 25.2633, 58.2709)
Luminance	0.2526 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EC8 #C88B51

analogous

#51C8C7 #518EC8 #5152C8

triadic

#518EC8 #C8518E #8EC851

tetradic

#518EC8 #C751C8 #C88B51 #52C851

square

#518EC8 #C751C8 #C88B51 #52C851

split-complementary

#518EC8 #C85152 #C8C751

monochromatic

#265079 #356FA7 #518EC8 #80ACD7 #AECAE5

Accessibility & contrast

On white

3.47

#518EC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#518EC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EC8

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EC8	#FFFFFF	#000000	##000000
##518EC8	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7590CB

Deuteranopia (green-blind)

#6584C7

Tritanopia (blue-blind)

#009CA2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ec8;
/* rgb */ color: rgb(81, 142, 200);
/* oklch */ color: oklch(63.1% 0.109 248.8);

Tailwind

colors: {
  custom: {
    50: '#8baed9',
    500: '#518ec8',
    950: '#000000',
  },
}

SCSS

$custom: #518ec8;
$custom-light: #8baed9;
$custom-dark: #000000;

JSON

{
  "hex": "#518ec8",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 200
  },
  "hsl": {
    "h": 209.244,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63057,
    "c": 0.10855,
    "h": 248.8
  },
  "luminance": 0.25265
}

Semantic roles & 50–950 ramp

primary

#518EC8

secondary

#D3BAA1

accent

#924CDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #518EC8

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

Preview Lab → · Contrast checker → · Palette generator →