#518AE3#518AE3

#518AE3 is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.147 H 259.0°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#518AE3
RGB	rgb(81, 138, 227)
HSL	hsl(217, 72%, 60%)
HSV	hsv(217, 64%, 89%)
CMYK	cmyk(64.3%, 39.2%, 0%, 11%)
CIE-LAB	lab(57.53, 9.05, -50.78)
CIE-LCH	lch(57.53, 51.58, 280.11°)
OKLab	oklab(63.65% -0.0281 -0.1445)
OKLCH	oklch(63.65% 0.147 259)
XYZ	xyz(26.3420, 25.4698, 76.1861)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518AE3 #E3AA51

analogous

#51D3E3 #518AE3 #6151E3

triadic

#518AE3 #E3518A #8AE351

tetradic

#518AE3 #E351D3 #E3AA51 #51E361

square

#518AE3 #E351D3 #E3AA51 #51E361

split-complementary

#518AE3 #E36151 #D3E351

monochromatic

#1A4EA0 #2268D5 #518AE3 #86ADEB #BAD1F4

Accessibility & contrast

On white

3.45

#518AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#518AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518AE3

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518AE3	#FFFFFF	#000000	##000000
##518AE3	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E7

Deuteranopia (green-blind)

#4D84E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ae3;
/* rgb */ color: rgb(81, 138, 227);
/* oklch */ color: oklch(63.6% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#8fabec',
    500: '#518ae3',
    950: '#000000',
  },
}

SCSS

$custom: #518ae3;
$custom-light: #8fabec;
$custom-dark: #000000;

JSON

{
  "hex": "#518ae3",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 216.575,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63647,
    "c": 0.14721,
    "h": 259
  },
  "luminance": 0.25472
}

Semantic roles & 50–950 ramp

primary

#518AE3

secondary

#E4CEAC

accent

#8811D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518AE3

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

Preview Lab → · Contrast checker → · Palette generator →