#518CD0#518CD0

#518CD0 is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.120 H 253.2°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#518CD0
RGB	rgb(81, 140, 208)
HSL	hsl(212, 57%, 57%)
HSV	hsv(212, 61%, 82%)
CMYK	cmyk(61.1%, 32.7%, 0%, 18.4%)
CIE-LAB	lab(57.13, 1.48, -40.77)
CIE-LCH	lch(57.13, 40.79, 272.07°)
OKLab	oklab(63.02% -0.0348 -0.1152)
OKLCH	oklch(63.02% 0.12 253.2)
XYZ	xyz(24.1525, 25.0573, 63.2260)
Luminance	0.2506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CD0 #D09551

analogous

#51CCD0 #518CD0 #5651D0

triadic

#518CD0 #D0518C #8CD051

tetradic

#518CD0 #D051CC #D09551 #51D056

square

#518CD0 #D051CC #D09551 #51D056

split-complementary

#518CD0 #D05651 #CCD051

monochromatic

#235083 #306DB3 #518CD0 #81ACDD #B1CCEA

Accessibility & contrast

On white

3.49

#518CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#518CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CD0

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CD0	#FFFFFF	#000000	##000000
##518CD0	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F90D3

Deuteranopia (green-blind)

#5E84CF

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518cd0;
/* rgb */ color: rgb(81, 140, 208);
/* oklch */ color: oklch(63.0% 0.120 253.2);

Tailwind

colors: {
  custom: {
    50: '#8cadde',
    500: '#518cd0',
    950: '#000000',
  },
}

SCSS

$custom: #518cd0;
$custom-light: #8cadde;
$custom-dark: #000000;

JSON

{
  "hex": "#518cd0",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 208
  },
  "hsl": {
    "h": 212.126,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63023,
    "c": 0.12037,
    "h": 253.2
  },
  "luminance": 0.2506
}

Semantic roles & 50–950 ramp

primary

#518CD0

secondary

#D8C0A4

accent

#9947E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518CD0

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

Preview Lab → · Contrast checker → · Palette generator →