#518FE3#518FE3

#518FE3 is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.7% C 0.142 H 256.5°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#518FE3
RGB	rgb(81, 143, 227)
HSL	hsl(215, 72%, 60%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64.3%, 37%, 0%, 11%)
CIE-LAB	lab(58.92, 6.08, -48.58)
CIE-LCH	lch(58.92, 48.96, 277.13°)
OKLab	oklab(64.72% -0.033 -0.138)
OKLCH	oklch(64.72% 0.142 256.5)
XYZ	xyz(27.0759, 26.9377, 76.4307)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FE3 #E3A551

analogous

#51D8E3 #518FE3 #5C51E3

triadic

#518FE3 #E3518F #8FE351

tetradic

#518FE3 #E351D8 #E3A551 #51E35C

square

#518FE3 #E351D8 #E3A551 #51E35C

split-complementary

#518FE3 #E35C51 #D8E351

monochromatic

#1A53A0 #226ED5 #518FE3 #86B1EB #BAD3F4

Accessibility & contrast

On white

3.29

#518FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#518FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE3

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FE3	#FFFFFF	#000000	##000000
##518FE3	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A95E6

Deuteranopia (green-blind)

#5587E1

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518fe3;
/* rgb */ color: rgb(81, 143, 227);
/* oklch */ color: oklch(64.7% 0.142 256.5);

Tailwind

colors: {
  custom: {
    50: '#8fafec',
    500: '#518fe3',
    950: '#000000',
  },
}

SCSS

$custom: #518fe3;
$custom-light: #8fafec;
$custom-dark: #000000;

JSON

{
  "hex": "#518fe3",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 227
  },
  "hsl": {
    "h": 214.521,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64725,
    "c": 0.14191,
    "h": 256.5
  },
  "luminance": 0.2694
}

Semantic roles & 50–950 ramp

primary

#518FE3

secondary

#E4CCAC

accent

#8111D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518FE3

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

Preview Lab → · Contrast checker → · Palette generator →