#518FEE#518FEE

#518FEE is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.156 H 258.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#518FEE
RGB	rgb(81, 143, 238)
HSL	hsl(216, 82%, 63%)
HSV	hsv(216, 66%, 93%)
CMYK	cmyk(66%, 39.9%, 0%, 6.7%)
CIE-LAB	lab(59.49, 9.82, -53.77)
CIE-LCH	lch(59.49, 54.65, 280.35°)
OKLab	oklab(65.36% -0.0306 -0.1532)
OKLCH	oklch(65.36% 0.156 258.7)
XYZ	xyz(28.6429, 27.5644, 84.6833)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FEE #EEB051

analogous

#51DDEE #518FEE #6251EE

triadic

#518FEE #EE518F #8FEE51

tetradic

#518FEE #EE51DD #EEB051 #51EE62

square

#518FEE #EE51DD #EEB051 #51EE62

split-complementary

#518FEE #EE6251 #DDEE51

monochromatic

#1151B3 #196BE9 #518FEE #89B3F3 #C1D7F9

Accessibility & contrast

On white

3.22

#518FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#518FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FEE

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FEE	#FFFFFF	#000000	##000000
##518FEE	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6497F2

Deuteranopia (green-blind)

#4C89EC

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #518fee;
/* rgb */ color: rgb(81, 143, 238);
/* oklch */ color: oklch(65.4% 0.156 258.7);

Tailwind

colors: {
  custom: {
    50: '#91aff4',
    500: '#518fee',
    950: '#000000',
  },
}

SCSS

$custom: #518fee;
$custom-light: #91aff4;
$custom-dark: #000000;

JSON

{
  "hex": "#518fee",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 238
  },
  "hsl": {
    "h": 216.306,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65361,
    "c": 0.15622,
    "h": 258.7
  },
  "luminance": 0.27567
}

Semantic roles & 50–950 ramp

primary

#518FEE

secondary

#EAD3B1

accent

#8907DF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518FEE

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

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