#518CE3#518CE3

#518CE3 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.1% C 0.145 H 258.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#518CE3
RGB	rgb(81, 140, 227)
HSL	hsl(216, 72%, 60%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(64.3%, 38.3%, 0%, 11%)
CIE-LAB	lab(58.08, 7.86, -49.90)
CIE-LCH	lch(58.08, 50.52, 278.95°)
OKLab	oklab(64.08% -0.0301 -0.1419)
OKLCH	oklch(64.08% 0.145 258)
XYZ	xyz(26.6316, 26.0490, 76.2826)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CE3 #E3A851

analogous

#51D5E3 #518CE3 #5F51E3

triadic

#518CE3 #E3518C #8CE351

tetradic

#518CE3 #E351D5 #E3A851 #51E35F

square

#518CE3 #E351D5 #E3A851 #51E35F

split-complementary

#518CE3 #E35F51 #D5E351

monochromatic

#1A50A0 #226AD5 #518CE3 #86AFEB #BAD2F4

Accessibility & contrast

On white

3.38

#518CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#518CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CE3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CE3	#FFFFFF	#000000	##000000
##518CE3	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E6

Deuteranopia (green-blind)

#5085E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518ce3;
/* rgb */ color: rgb(81, 140, 227);
/* oklch */ color: oklch(64.1% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#8fadec',
    500: '#518ce3',
    950: '#000000',
  },
}

SCSS

$custom: #518ce3;
$custom-light: #8fadec;
$custom-dark: #000000;

JSON

{
  "hex": "#518ce3",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 227
  },
  "hsl": {
    "h": 215.753,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64077,
    "c": 0.14506,
    "h": 258
  },
  "luminance": 0.26052
}

Semantic roles & 50–950 ramp

primary

#518CE3

secondary

#E4CDAC

accent

#8511D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518CE3

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

Preview Lab → · Contrast checker → · Palette generator →