#518EFC#518EFC

#518EFC is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.0% C 0.176 H 261.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#518EFC
RGB	rgb(81, 142, 252)
HSL	hsl(219, 97%, 65%)
HSV	hsv(219, 68%, 99%)
CMYK	cmyk(67.9%, 43.7%, 0%, 1.2%)
CIE-LAB	lab(60.00, 15.23, -60.68)
CIE-LCH	lch(60.00, 62.56, 284.09°)
OKLab	oklab(66% -0.027 -0.1735)
OKLCH	oklch(66% 0.176 261.2)
XYZ	xyz(30.6308, 28.1205, 95.8901)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EFC #FCBF51

analogous

#51E4FC #518EFC #6951FC

triadic

#518EFC #FC518E #8EFC51

tetradic

#518EFC #FC51E4 #FCBF51 #51FC69

square

#518EFC #FC51E4 #FCBF51 #51FC69

split-complementary

#518EFC #FC6951 #E4FC51

monochromatic

#044CCF #1567FB #518EFC #8DB5FD #C9DCFE

Accessibility & contrast

On white

3.17

#518EFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#518EFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EFC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EFC	#FFFFFF	#000000	##000000
##518EFC	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5899FF

Deuteranopia (green-blind)

#3989FA

Tritanopia (blue-blind)

#00A8B9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #518efc;
/* rgb */ color: rgb(81, 142, 252);
/* oklch */ color: oklch(66.0% 0.176 261.2);

Tailwind

colors: {
  custom: {
    50: '#93aefe',
    500: '#518efc',
    950: '#000000',
  },
}

SCSS

$custom: #518efc;
$custom-light: #93aefe;
$custom-dark: #000000;

JSON

{
  "hex": "#518efc",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 252
  },
  "hsl": {
    "h": 218.596,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66002,
    "c": 0.1756,
    "h": 261.2
  },
  "luminance": 0.28124
}

Semantic roles & 50–950 ramp

primary

#518EFC

secondary

#F1DDB8

accent

#9400E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #518EFC

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

Preview Lab → · Contrast checker → · Palette generator →