#518ECF#518ECF

#518ECF is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.4% C 0.117 H 251.5°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#518ECF
RGB	rgb(81, 142, 207)
HSL	hsl(211, 57%, 56%)
HSV	hsv(211, 61%, 81%)
CMYK	cmyk(60.9%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(57.65, -0.02, -39.38)
CIE-LCH	lch(57.65, 39.38, 269.97°)
OKLab	oklab(63.42% -0.0372 -0.1112)
OKLCH	oklch(63.42% 0.117 251.5)
XYZ	xyz(24.3247, 25.5981, 62.6784)
Luminance	0.2560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ECF #CF9251

analogous

#51CDCF #518ECF #5351CF

triadic

#518ECF #CF518E #8ECF51

tetradic

#518ECF #CF51CD #CF9251 #51CF53

square

#518ECF #CF51CD #CF9251 #51CF53

split-complementary

#518ECF #CF5351 #CDCF51

monochromatic

#245182 #316FB2 #518ECF #81ADDC #B1CCE9

Accessibility & contrast

On white

3.43

#518ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#518ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ECF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ECF	#FFFFFF	#000000	##000000
##518ECF	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7291D2

Deuteranopia (green-blind)

#6185CE

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ecf;
/* rgb */ color: rgb(81, 142, 207);
/* oklch */ color: oklch(63.4% 0.117 251.5);

Tailwind

colors: {
  custom: {
    50: '#8caede',
    500: '#518ecf',
    950: '#000000',
  },
}

SCSS

$custom: #518ecf;
$custom-light: #8caede;
$custom-dark: #000000;

JSON

{
  "hex": "#518ecf",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 210.952,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.63416,
    "c": 0.11725,
    "h": 251.5
  },
  "luminance": 0.256
}

Semantic roles & 50–950 ramp

primary

#518ECF

secondary

#D8BFA4

accent

#9648E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518ECF

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

Preview Lab → · Contrast checker → · Palette generator →