#518BDB#518BDB

#518BDB is a light, vivid cyan. Relative luminance 0.253; OKLCH L 63.4% C 0.136 H 256.8°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#518BDB
RGB	rgb(81, 139, 219)
HSL	hsl(215, 66%, 59%)
HSV	hsv(215, 63%, 86%)
CMYK	cmyk(63%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(57.39, 5.74, -46.53)
CIE-LCH	lch(57.39, 46.88, 277.04°)
OKLab	oklab(63.4% -0.0309 -0.1321)
OKLCH	oklch(63.4% 0.136 256.8)
XYZ	xyz(25.4076, 25.3266, 70.5537)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BDB #DBA151

analogous

#51D0DB #518BDB #5C51DB

triadic

#518BDB #DB518B #8BDB51

tetradic

#518BDB #DB51D0 #DBA151 #51DB5C

square

#518BDB #DB51D0 #DBA151 #51DB5C

split-complementary

#518BDB #DB5C51 #D0DB51

monochromatic

#1E4F93 #296BC6 #518BDB #84ADE5 #B6CFF0

Accessibility & contrast

On white

3.46

#518BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#518BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BDB

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BDB	#FFFFFF	#000000	##000000
##518BDB	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6891DE

Deuteranopia (green-blind)

#5584D9

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518bdb;
/* rgb */ color: rgb(81, 139, 219);
/* oklch */ color: oklch(63.4% 0.136 256.8);

Tailwind

colors: {
  custom: {
    50: '#8eace6',
    500: '#518bdb',
    950: '#000000',
  },
}

SCSS

$custom: #518bdb;
$custom-light: #8eace6;
$custom-dark: #000000;

JSON

{
  "hex": "#518bdb",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 214.783,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63404,
    "c": 0.13563,
    "h": 256.8
  },
  "luminance": 0.25329
}

Semantic roles & 50–950 ramp

primary

#518BDB

secondary

#DFC8A9

accent

#A13FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518BDB

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

Preview Lab → · Contrast checker → · Palette generator →