#518DC4#518DC4

#518DC4 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.6% C 0.104 H 247.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#518DC4
RGB	rgb(81, 141, 196)
HSL	hsl(209, 49%, 54%)
HSV	hsv(209, 59%, 77%)
CMYK	cmyk(58.7%, 28.1%, 0%, 23.1%)
CIE-LAB	lab(56.86, -3.04, -34.42)
CIE-LCH	lch(56.86, 34.55, 264.96°)
OKLab	oklab(62.63% -0.0394 -0.0968)
OKLCH	oklch(62.63% 0.104 247.9)
XYZ	xyz(22.8784, 24.7826, 55.7917)
Luminance	0.2478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DC4 #C48851

analogous

#51C4C2 #518DC4 #5154C4

triadic

#518DC4 #C4518D #8DC451

tetradic

#518DC4 #C251C4 #C48851 #54C451

square

#518DC4 #C251C4 #C48851 #54C451

split-complementary

#518DC4 #C45154 #C4C251

monochromatic

#274F73 #376EA1 #518DC4 #7FABD3 #ACC9E3

Accessibility & contrast

On white

3.53

#518DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#518DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DC4

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DC4	#FFFFFF	#000000	##000000
##518DC4	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768FC6

Deuteranopia (green-blind)

#6683C3

Tritanopia (blue-blind)

#009AA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #518dc4;
/* rgb */ color: rgb(81, 141, 196);
/* oklch */ color: oklch(62.6% 0.104 247.9);

Tailwind

colors: {
  custom: {
    50: '#8baed6',
    500: '#518dc4',
    950: '#000000',
  },
}

SCSS

$custom: #518dc4;
$custom-light: #8baed6;
$custom-dark: #000000;

JSON

{
  "hex": "#518dc4",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 196
  },
  "hsl": {
    "h": 208.696,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.6263,
    "c": 0.10449,
    "h": 247.9
  },
  "luminance": 0.24785
}

Semantic roles & 50–950 ramp

primary

#518DC4

secondary

#D1B7A0

accent

#914FD9

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0D1014

muted

#7D7F83

Preview Lab

Preview with #518DC4

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

Preview Lab → · Contrast checker → · Palette generator →