#518ACF#518ACF

#518ACF is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.5% C 0.121 H 254.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#518ACF
RGB	rgb(81, 138, 207)
HSL	hsl(213, 57%, 56%)
HSV	hsv(213, 61%, 81%)
CMYK	cmyk(60.9%, 33.3%, 0%, 18.8%)
CIE-LAB	lab(56.51, 2.32, -41.17)
CIE-LCH	lch(56.51, 41.24, 273.23°)
OKLab	oklab(62.52% -0.0329 -0.1164)
OKLCH	oklch(62.52% 0.121 254.2)
XYZ	xyz(23.7403, 24.4291, 62.4836)
Luminance	0.2443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ACF #CF9651

analogous

#51C9CF #518ACF #5751CF

triadic

#518ACF #CF518A #8ACF51

tetradic

#518ACF #CF51C9 #CF9651 #51CF57

square

#518ACF #CF51C9 #CF9651 #51CF57

split-complementary

#518ACF #CF5751 #C9CF51

monochromatic

#244E82 #316BB2 #518ACF #81AADC #B1CBE9

Accessibility & contrast

On white

3.57

#518ACF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#518ACF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ACF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ACF	#FFFFFF	#000000	##000000
##518ACF	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8ED2

Deuteranopia (green-blind)

#5C82CE

Tritanopia (blue-blind)

#009AA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #518acf;
/* rgb */ color: rgb(81, 138, 207);
/* oklch */ color: oklch(62.5% 0.121 254.2);

Tailwind

colors: {
  custom: {
    50: '#8cabde',
    500: '#518acf',
    950: '#000000',
  },
}

SCSS

$custom: #518acf;
$custom-light: #8cabde;
$custom-dark: #000000;

JSON

{
  "hex": "#518acf",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 207
  },
  "hsl": {
    "h": 212.857,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62524,
    "c": 0.12101,
    "h": 254.2
  },
  "luminance": 0.24431
}

Semantic roles & 50–950 ramp

primary

#518ACF

secondary

#D8C0A4

accent

#9B48E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518ACF

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

Preview Lab → · Contrast checker → · Palette generator →