#518DFC#518DFC

#518DFC is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.177 H 261.5°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#518DFC
RGB	rgb(81, 141, 252)
HSL	hsl(219, 97%, 65%)
HSV	hsv(219, 68%, 99%)
CMYK	cmyk(67.9%, 44%, 0%, 1.2%)
CIE-LAB	lab(59.73, 15.83, -61.10)
CIE-LCH	lch(59.73, 63.12, 284.52°)
OKLab	oklab(65.8% -0.0261 -0.1748)
OKLCH	oklch(65.8% 0.177 261.5)
XYZ	xyz(30.4826, 27.8243, 95.8407)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DFC #FCC051

analogous

#51E3FC #518DFC #6A51FC

triadic

#518DFC #FC518D #8DFC51

tetradic

#518DFC #FC51E3 #FCC051 #51FC6A

square

#518DFC #FC51E3 #FCC051 #51FC6A

split-complementary

#518DFC #FC6A51 #E3FC51

monochromatic

#044BCF #1566FB #518DFC #8DB4FD #C9DCFE

Accessibility & contrast

On white

3.20

#518DFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#518DFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DFC

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DFC	#FFFFFF	#000000	##000000
##518DFC	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5698FF

Deuteranopia (green-blind)

#3789FA

Tritanopia (blue-blind)

#00A7B8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #518dfc;
/* rgb */ color: rgb(81, 141, 252);
/* oklch */ color: oklch(65.8% 0.177 261.5);

Tailwind

colors: {
  custom: {
    50: '#93adfe',
    500: '#518dfc',
    950: '#000000',
  },
}

SCSS

$custom: #518dfc;
$custom-light: #93adfe;
$custom-dark: #000000;

JSON

{
  "hex": "#518dfc",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 252
  },
  "hsl": {
    "h": 218.947,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65795,
    "c": 0.17672,
    "h": 261.5
  },
  "luminance": 0.27827
}

Semantic roles & 50–950 ramp

primary

#518DFC

secondary

#F1DDB8

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #518DFC

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

Preview Lab → · Contrast checker → · Palette generator →