#518CCE#518CCE

#518CCE is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.118 H 252.5°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#518CCE
RGB	rgb(81, 140, 206)
HSL	hsl(212, 56%, 56%)
HSV	hsv(212, 61%, 81%)
CMYK	cmyk(60.7%, 32%, 0%, 19.2%)
CIE-LAB	lab(57.04, 0.82, -39.79)
CIE-LCH	lch(57.04, 39.80, 271.17°)
OKLab	oklab(62.92% -0.0353 -0.1124)
OKLCH	oklch(62.92% 0.118 252.5)
XYZ	xyz(23.9080, 24.9595, 61.9383)
Luminance	0.2496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CCE #CE9351

analogous

#51CBCE #518CCE #5551CE

triadic

#518CCE #CE518C #8CCE51

tetradic

#518CCE #CE51CB #CE9351 #51CE55

square

#518CCE #CE51CB #CE9351 #51CE55

split-complementary

#518CCE #CE5551 #CBCE51

monochromatic

#245080 #326DB0 #518CCE #81ACDB #B1CBE9

Accessibility & contrast

On white

3.50

#518CCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#518CCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CCE

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CCE	#FFFFFF	#000000	##000000
##518CCE	1.00	3.50	5.99	5.99
#FFFFFF	3.50	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7090D1

Deuteranopia (green-blind)

#5F83CD

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518cce;
/* rgb */ color: rgb(81, 140, 206);
/* oklch */ color: oklch(62.9% 0.118 252.5);

Tailwind

colors: {
  custom: {
    50: '#8caddd',
    500: '#518cce',
    950: '#000000',
  },
}

SCSS

$custom: #518cce;
$custom-light: #8caddd;
$custom-dark: #000000;

JSON

{
  "hex": "#518cce",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 206
  },
  "hsl": {
    "h": 211.68,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62917,
    "c": 0.11782,
    "h": 252.5
  },
  "luminance": 0.24962
}

Semantic roles & 50–950 ramp

primary

#518CCE

secondary

#D7BFA4

accent

#9848DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518CCE

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

Preview Lab → · Contrast checker → · Palette generator →