#518FD8#518FD8

#518FD8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.128 H 253.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#518FD8
RGB	rgb(81, 143, 216)
HSL	hsl(212, 63%, 58%)
HSV	hsv(212, 63%, 85%)
CMYK	cmyk(62.5%, 33.8%, 0%, 15.3%)
CIE-LAB	lab(58.37, 2.38, -43.31)
CIE-LCH	lch(58.37, 43.37, 273.14°)
OKLab	oklab(64.12% -0.0358 -0.1226)
OKLCH	oklch(64.12% 0.128 253.7)
XYZ	xyz(25.6060, 26.3497, 68.6890)
Luminance	0.2635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FD8 #D89A51

analogous

#51D3D8 #518FD8 #5651D8

triadic

#518FD8 #D8518F #8FD851

tetradic

#518FD8 #D851D3 #D89A51 #51D856

square

#518FD8 #D851D3 #D89A51 #51D856

split-complementary

#518FD8 #D85651 #D3D851

monochromatic

#20538F #2B70C1 #518FD8 #83AFE3 #B5CFEE

Accessibility & contrast

On white

3.35

#518FD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#518FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FD8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FD8	#FFFFFF	#000000	##000000
##518FD8	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7093DB

Deuteranopia (green-blind)

#5D86D7

Tritanopia (blue-blind)

#00A0A9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518fd8;
/* rgb */ color: rgb(81, 143, 216);
/* oklch */ color: oklch(64.1% 0.128 253.7);

Tailwind

colors: {
  custom: {
    50: '#8eafe4',
    500: '#518fd8',
    950: '#000000',
  },
}

SCSS

$custom: #518fd8;
$custom-light: #8eafe4;
$custom-dark: #000000;

JSON

{
  "hex": "#518fd8",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 212.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64117,
    "c": 0.12773,
    "h": 253.7
  },
  "luminance": 0.26352
}

Semantic roles & 50–950 ramp

primary

#518FD8

secondary

#DDC5A8

accent

#9B41E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #518FD8

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

Preview Lab → · Contrast checker → · Palette generator →