#518DE3#518DE3

#518DE3 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.3% C 0.144 H 257.5°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#518DE3
RGB	rgb(81, 141, 227)
HSL	hsl(215, 72%, 60%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64.3%, 37.9%, 0%, 11%)
CIE-LAB	lab(58.36, 7.26, -49.46)
CIE-LCH	lch(58.36, 49.99, 278.35°)
OKLab	oklab(64.29% -0.031 -0.1406)
OKLCH	oklch(64.29% 0.144 257.5)
XYZ	xyz(26.7784, 26.3425, 76.3315)
Luminance	0.2635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DE3 #E3A751

analogous

#51D6E3 #518DE3 #5E51E3

triadic

#518DE3 #E3518D #8DE351

tetradic

#518DE3 #E351D6 #E3A751 #51E35E

square

#518DE3 #E351D6 #E3A751 #51E35E

split-complementary

#518DE3 #E35E51 #D6E351

monochromatic

#1A51A0 #226CD5 #518DE3 #86B0EB #BAD2F4

Accessibility & contrast

On white

3.35

#518DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#518DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DE3

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DE3	#FFFFFF	#000000	##000000
##518DE3	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6794E6

Deuteranopia (green-blind)

#5286E1

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518de3;
/* rgb */ color: rgb(81, 141, 227);
/* oklch */ color: oklch(64.3% 0.144 257.5);

Tailwind

colors: {
  custom: {
    50: '#8fadec',
    500: '#518de3',
    950: '#000000',
  },
}

SCSS

$custom: #518de3;
$custom-light: #8fadec;
$custom-dark: #000000;

JSON

{
  "hex": "#518de3",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 215.342,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64292,
    "c": 0.144,
    "h": 257.5
  },
  "luminance": 0.26345
}

Semantic roles & 50–950 ramp

primary

#518DE3

secondary

#E4CDAC

accent

#8411D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518DE3

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

Preview Lab → · Contrast checker → · Palette generator →