#518EE3#518EE3

#518EE3 is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.5% C 0.143 H 257.0°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#518EE3
RGB	rgb(81, 142, 227)
HSL	hsl(215, 72%, 60%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64.3%, 37.4%, 0%, 11%)
CIE-LAB	lab(58.64, 6.67, -49.02)
CIE-LCH	lch(58.64, 49.47, 277.75°)
OKLab	oklab(64.51% -0.032 -0.1393)
OKLCH	oklch(64.51% 0.143 257)
XYZ	xyz(26.9265, 26.6388, 76.3809)
Luminance	0.2664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EE3 #E3A651

analogous

#51D7E3 #518EE3 #5D51E3

triadic

#518EE3 #E3518E #8EE351

tetradic

#518EE3 #E351D7 #E3A651 #51E35D

square

#518EE3 #E351D7 #E3A651 #51E35D

split-complementary

#518EE3 #E35D51 #D7E351

monochromatic

#1A52A0 #226DD5 #518EE3 #86B0EB #BAD2F4

Accessibility & contrast

On white

3.32

#518EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#518EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EE3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EE3	#FFFFFF	#000000	##000000
##518EE3	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6994E6

Deuteranopia (green-blind)

#5487E1

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518ee3;
/* rgb */ color: rgb(81, 142, 227);
/* oklch */ color: oklch(64.5% 0.143 257.0);

Tailwind

colors: {
  custom: {
    50: '#8faeec',
    500: '#518ee3',
    950: '#000000',
  },
}

SCSS

$custom: #518ee3;
$custom-light: #8faeec;
$custom-dark: #000000;

JSON

{
  "hex": "#518ee3",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 227
  },
  "hsl": {
    "h": 214.932,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64508,
    "c": 0.14295,
    "h": 257
  },
  "luminance": 0.26641
}

Semantic roles & 50–950 ramp

primary

#518EE3

secondary

#E4CCAC

accent

#8311D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518EE3

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

Preview Lab → · Contrast checker → · Palette generator →