#518EE4#518EE4

#518EE4 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.144 H 257.3°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#518EE4
RGB	rgb(81, 142, 228)
HSL	hsl(215, 73%, 61%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64.5%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(58.69, 7.01, -49.49)
CIE-LCH	lch(58.69, 49.99, 278.06°)
OKLab	oklab(64.57% -0.0318 -0.1407)
OKLCH	oklch(64.57% 0.144 257.3)
XYZ	xyz(27.0649, 26.6941, 77.1099)
Luminance	0.2670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EE4 #E4A751

analogous

#51D7E4 #518EE4 #5D51E4

triadic

#518EE4 #E4518E #8EE451

tetradic

#518EE4 #E451D7 #E4A751 #51E45D

square

#518EE4 #E451D7 #E4A751 #51E45D

split-complementary

#518EE4 #E45D51 #D7E451

monochromatic

#1952A2 #216CD7 #518EE4 #86B0EC #BBD3F4

Accessibility & contrast

On white

3.31

#518EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#518EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EE4

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EE4	#FFFFFF	#000000	##000000
##518EE4	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6895E7

Deuteranopia (green-blind)

#5387E2

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518ee4;
/* rgb */ color: rgb(81, 142, 228);
/* oklch */ color: oklch(64.6% 0.144 257.3);

Tailwind

colors: {
  custom: {
    50: '#8faeed',
    500: '#518ee4',
    950: '#000000',
  },
}

SCSS

$custom: #518ee4;
$custom-light: #8faeed;
$custom-dark: #000000;

JSON

{
  "hex": "#518ee4",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 215.102,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64565,
    "c": 0.14425,
    "h": 257.3
  },
  "luminance": 0.26697
}

Semantic roles & 50–950 ramp

primary

#518EE4

secondary

#E4CDAC

accent

#8310D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518EE4

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

Preview Lab → · Contrast checker → · Palette generator →