#518BEE#518BEE

#518BEE is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.161 H 260.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#518BEE
RGB	rgb(81, 139, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 66%, 93%)
CMYK	cmyk(66%, 41.6%, 0%, 6.7%)
CIE-LAB	lab(58.40, 12.21, -55.51)
CIE-LCH	lch(58.40, 56.83, 282.41°)
OKLab	oklab(64.52% -0.0268 -0.1584)
OKLCH	oklch(64.52% 0.161 260.4)
XYZ	xyz(28.0531, 26.3848, 84.4867)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BEE #EEB451

analogous

#51DAEE #518BEE #6551EE

triadic

#518BEE #EE518B #8BEE51

tetradic

#518BEE #EE51DA #EEB451 #51EE65

square

#518BEE #EE51DA #EEB451 #51EE65

split-complementary

#518BEE #EE6551 #DAEE51

monochromatic

#114DB3 #1966E9 #518BEE #89B0F3 #C1D5F9

Accessibility & contrast

On white

3.35

#518BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#518BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BEE

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BEE	#FFFFFF	#000000	##000000
##518BEE	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D94F2

Deuteranopia (green-blind)

#4486EC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518bee;
/* rgb */ color: rgb(81, 139, 238);
/* oklch */ color: oklch(64.5% 0.161 260.4);

Tailwind

colors: {
  custom: {
    50: '#91acf4',
    500: '#518bee',
    950: '#000000',
  },
}

SCSS

$custom: #518bee;
$custom-light: #91acf4;
$custom-dark: #000000;

JSON

{
  "hex": "#518bee",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 238
  },
  "hsl": {
    "h": 217.834,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64515,
    "c": 0.16062,
    "h": 260.4
  },
  "luminance": 0.26388
}

Semantic roles & 50–950 ramp

primary

#518BEE

secondary

#EAD5B1

accent

#8F07DF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518BEE

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

Preview Lab → · Contrast checker → · Palette generator →