#518CE4#518CE4

#518CE4 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.1% C 0.146 H 258.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#518CE4
RGB	rgb(81, 140, 228)
HSL	hsl(216, 73%, 61%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(64.5%, 38.6%, 0%, 10.6%)
CIE-LAB	lab(58.14, 8.20, -50.37)
CIE-LCH	lch(58.14, 51.04, 279.24°)
OKLab	oklab(64.13% -0.0298 -0.1433)
OKLCH	oklch(64.13% 0.146 258.2)
XYZ	xyz(26.7700, 26.1043, 77.0116)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CE4 #E4A951

analogous

#51D6E4 #518CE4 #5F51E4

triadic

#518CE4 #E4518C #8CE451

tetradic

#518CE4 #E451D6 #E4A951 #51E45F

square

#518CE4 #E451D6 #E4A951 #51E45F

split-complementary

#518CE4 #E45F51 #D6E451

monochromatic

#1950A2 #216AD7 #518CE4 #86AFEC #BBD2F4

Accessibility & contrast

On white

3.38

#518CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#518CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CE4

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CE4	#FFFFFF	#000000	##000000
##518CE4	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E8

Deuteranopia (green-blind)

#4F85E2

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518ce4;
/* rgb */ color: rgb(81, 140, 228);
/* oklch */ color: oklch(64.1% 0.146 258.2);

Tailwind

colors: {
  custom: {
    50: '#8faded',
    500: '#518ce4',
    950: '#000000',
  },
}

SCSS

$custom: #518ce4;
$custom-light: #8faded;
$custom-dark: #000000;

JSON

{
  "hex": "#518ce4",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 215.918,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64134,
    "c": 0.14637,
    "h": 258.2
  },
  "luminance": 0.26107
}

Semantic roles & 50–950 ramp

primary

#518CE4

secondary

#E4CEAC

accent

#8610D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518CE4

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

Preview Lab → · Contrast checker → · Palette generator →