#518DF0#518DF0

#518DF0 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.161 H 259.9°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#518DF0
RGB	rgb(81, 141, 240)
HSL	hsl(217, 84%, 63%)
HSV	hsv(217, 66%, 94%)
CMYK	cmyk(66.3%, 41.3%, 0%, 5.9%)
CIE-LAB	lab(59.06, 11.70, -55.57)
CIE-LCH	lch(59.06, 56.79, 281.89°)
OKLab	oklab(65.06% -0.0283 -0.1585)
OKLCH	oklch(65.06% 0.161 259.9)
XYZ	xyz(28.6408, 27.0875, 86.1402)
Luminance	0.2709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DF0 #F0B451

analogous

#51DDF0 #518DF0 #6451F0

triadic

#518DF0 #F0518D #8DF051

tetradic

#518DF0 #F051DD #F0B451 #51F064

square

#518DF0 #F051DD #F0B451 #51F064

split-complementary

#518DF0 #F06451 #DDF051

monochromatic

#104FB7 #1968EB #518DF0 #89B2F5 #C2D7FA

Accessibility & contrast

On white

3.27

#518DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#518DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DF0

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DF0	#FFFFFF	#000000	##000000
##518DF0	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F96F4

Deuteranopia (green-blind)

#4687EE

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518df0;
/* rgb */ color: rgb(81, 141, 240);
/* oklch */ color: oklch(65.1% 0.161 259.9);

Tailwind

colors: {
  custom: {
    50: '#91adf5',
    500: '#518df0',
    950: '#000000',
  },
}

SCSS

$custom: #518df0;
$custom-light: #91adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#518df0",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 240
  },
  "hsl": {
    "h": 217.358,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65057,
    "c": 0.16102,
    "h": 259.9
  },
  "luminance": 0.2709
}

Semantic roles & 50–950 ramp

primary

#518DF0

secondary

#EBD5B2

accent

#8E05E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518DF0

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

Preview Lab → · Contrast checker → · Palette generator →