#518EEE#518EEE

#518EEE is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.157 H 259.1°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#518EEE
RGB	rgb(81, 142, 238)
HSL	hsl(217, 82%, 63%)
HSV	hsv(217, 66%, 93%)
CMYK	cmyk(66%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(59.22, 10.41, -54.20)
CIE-LCH	lch(59.22, 55.19, 280.88°)
OKLab	oklab(65.15% -0.0296 -0.1545)
OKLCH	oklch(65.15% 0.157 259.1)
XYZ	xyz(28.4934, 27.2655, 84.6335)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EEE #EEB151

analogous

#51DCEE #518EEE #6351EE

triadic

#518EEE #EE518E #8EEE51

tetradic

#518EEE #EE51DC #EEB151 #51EE63

square

#518EEE #EE51DC #EEB151 #51EE63

split-complementary

#518EEE #EE6351 #DCEE51

monochromatic

#1150B3 #196AE9 #518EEE #89B2F3 #C1D6F9

Accessibility & contrast

On white

3.25

#518EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#518EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EEE

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EEE	#FFFFFF	#000000	##000000
##518EEE	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F2

Deuteranopia (green-blind)

#4A88EC

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #518eee;
/* rgb */ color: rgb(81, 142, 238);
/* oklch */ color: oklch(65.1% 0.157 259.1);

Tailwind

colors: {
  custom: {
    50: '#91aef4',
    500: '#518eee',
    950: '#000000',
  },
}

SCSS

$custom: #518eee;
$custom-light: #91aef4;
$custom-dark: #000000;

JSON

{
  "hex": "#518eee",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 216.688,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65148,
    "c": 0.15731,
    "h": 259.1
  },
  "luminance": 0.27268
}

Semantic roles & 50–950 ramp

primary

#518EEE

secondary

#EAD4B1

accent

#8B07DF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518EEE

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

Preview Lab → · Contrast checker → · Palette generator →