#518FEB#518FEB

#518FEB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.152 H 258.2°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#518FEB
RGB	rgb(81, 143, 235)
HSL	hsl(216, 79%, 62%)
HSV	hsv(216, 66%, 92%)
CMYK	cmyk(65.5%, 39.1%, 0%, 7.8%)
CIE-LAB	lab(59.33, 8.79, -52.36)
CIE-LCH	lch(59.33, 53.09, 279.53°)
OKLab	oklab(65.19% -0.0312 -0.1491)
OKLCH	oklch(65.19% 0.152 258.2)
XYZ	xyz(28.2058, 27.3896, 82.3814)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FEB #EBAD51

analogous

#51DCEB #518FEB #6051EB

triadic

#518FEB #EB518F #8FEB51

tetradic

#518FEB #EB51DC #EBAD51 #51EB60

square

#518FEB #EB51DC #EBAD51 #51EB60

split-complementary

#518FEB #EB6051 #DCEB51

monochromatic

#1452AE #1A6CE5 #518FEB #88B2F1 #BFD6F8

Accessibility & contrast

On white

3.24

#518FEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#518FEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FEB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FEB	#FFFFFF	#000000	##000000
##518FEB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597EF

Deuteranopia (green-blind)

#4F88E9

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #518feb;
/* rgb */ color: rgb(81, 143, 235);
/* oklch */ color: oklch(65.2% 0.152 258.2);

Tailwind

colors: {
  custom: {
    50: '#90aff2',
    500: '#518feb',
    950: '#000000',
  },
}

SCSS

$custom: #518feb;
$custom-light: #90aff2;
$custom-dark: #000000;

JSON

{
  "hex": "#518feb",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 235
  },
  "hsl": {
    "h": 215.844,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.65185,
    "c": 0.15232,
    "h": 258.2
  },
  "luminance": 0.27392
}

Semantic roles & 50–950 ramp

primary

#518FEB

secondary

#E8D1B0

accent

#870ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518FEB

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

Preview Lab → · Contrast checker → · Palette generator →