#518EDB#518EDB

#518EDB is a light, vivid cyan. Relative luminance 0.262; OKLCH L 64.1% C 0.133 H 255.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#518EDB
RGB	rgb(81, 142, 219)
HSL	hsl(213, 66%, 59%)
HSV	hsv(213, 63%, 86%)
CMYK	cmyk(63%, 35.2%, 0%, 14.1%)
CIE-LAB	lab(58.23, 3.97, -45.20)
CIE-LCH	lch(58.23, 45.37, 275.02°)
OKLab	oklab(64.06% -0.034 -0.1281)
OKLCH	oklch(64.06% 0.133 255.1)
XYZ	xyz(25.8479, 26.2073, 70.7004)
Luminance	0.2621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EDB #DB9E51

analogous

#51D3DB #518EDB #5951DB

triadic

#518EDB #DB518E #8EDB51

tetradic

#518EDB #DB51D3 #DB9E51 #51DB59

square

#518EDB #DB51D3 #DB9E51 #51DB59

split-complementary

#518EDB #DB5951 #D3DB51

monochromatic

#1E5293 #296EC6 #518EDB #84AFE5 #B6D0F0

Accessibility & contrast

On white

3.36

#518EDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#518EDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EDB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EDB	#FFFFFF	#000000	##000000
##518EDB	1.00	3.36	6.24	6.24
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DE

Deuteranopia (green-blind)

#5A86D9

Tritanopia (blue-blind)

#00A0AA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518edb;
/* rgb */ color: rgb(81, 142, 219);
/* oklch */ color: oklch(64.1% 0.133 255.1);

Tailwind

colors: {
  custom: {
    50: '#8eaee6',
    500: '#518edb',
    950: '#000000',
  },
}

SCSS

$custom: #518edb;
$custom-light: #8eaee6;
$custom-dark: #000000;

JSON

{
  "hex": "#518edb",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 219
  },
  "hsl": {
    "h": 213.478,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6406,
    "c": 0.13257,
    "h": 255.1
  },
  "luminance": 0.2621
}

Semantic roles & 50–950 ramp

primary

#518EDB

secondary

#DFC7A9

accent

#9E3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518EDB

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

Preview Lab → · Contrast checker → · Palette generator →