#518FDC#518FDC

#518FDC is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.133 H 254.8°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#518FDC
RGB	rgb(81, 143, 220)
HSL	hsl(213, 67%, 59%)
HSV	hsv(213, 63%, 86%)
CMYK	cmyk(63.2%, 35%, 0%, 13.7%)
CIE-LAB	lab(58.56, 3.72, -45.24)
CIE-LCH	lch(58.56, 45.39, 274.70°)
OKLab	oklab(64.33% -0.0348 -0.1282)
OKLCH	oklch(64.33% 0.133 254.8)
XYZ	xyz(26.1294, 26.5591, 71.4457)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FDC #DC9E51

analogous

#51D5DC #518FDC #5951DC

triadic

#518FDC #DC518F #8FDC51

tetradic

#518FDC #DC51D5 #DC9E51 #51DC59

square

#518FDC #DC51D5 #DC9E51 #51DC59

split-complementary

#518FDC #DC5951 #D5DC51

monochromatic

#1E5395 #286FC8 #518FDC #84B0E6 #B7D1F0

Accessibility & contrast

On white

3.33

#518FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#518FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FDC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FDC	#FFFFFF	#000000	##000000
##518FDC	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DF

Deuteranopia (green-blind)

#5B87DA

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518fdc;
/* rgb */ color: rgb(81, 143, 220);
/* oklch */ color: oklch(64.3% 0.133 254.8);

Tailwind

colors: {
  custom: {
    50: '#8eafe7',
    500: '#518fdc',
    950: '#000000',
  },
}

SCSS

$custom: #518fdc;
$custom-light: #8eafe7;
$custom-dark: #000000;

JSON

{
  "hex": "#518fdc",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 220
  },
  "hsl": {
    "h": 213.237,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.64335,
    "c": 0.13286,
    "h": 254.8
  },
  "luminance": 0.26562
}

Semantic roles & 50–950 ramp

primary

#518FDC

secondary

#E0C7A9

accent

#9D3EE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518FDC

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

Preview Lab → · Contrast checker → · Palette generator →