#518CDA#518CDA

#518CDA is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.6% C 0.133 H 256.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#518CDA
RGB	rgb(81, 140, 218)
HSL	hsl(214, 65%, 59%)
HSV	hsv(214, 63%, 85%)
CMYK	cmyk(62.8%, 35.8%, 0%, 14.5%)
CIE-LAB	lab(57.62, 4.82, -45.61)
CIE-LCH	lch(57.62, 45.86, 276.03°)
OKLab	oklab(63.57% -0.0322 -0.1293)
OKLCH	oklch(63.57% 0.133 256)
XYZ	xyz(25.4218, 25.5650, 69.9109)
Luminance	0.2557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CDA #DA9F51

analogous

#51D0DA #518CDA #5A51DA

triadic

#518CDA #DA518C #8CDA51

tetradic

#518CDA #DA51D0 #DA9F51 #51DA5A

square

#518CDA #DA51D0 #DA9F51 #51DA5A

split-complementary

#518CDA #DA5A51 #D0DA51

monochromatic

#1F5092 #2A6CC4 #518CDA #83ADE5 #B6CFEF

Accessibility & contrast

On white

3.44

#518CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#518CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CDA

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CDA	#FFFFFF	#000000	##000000
##518CDA	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A91DD

Deuteranopia (green-blind)

#5785D8

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518cda;
/* rgb */ color: rgb(81, 140, 218);
/* oklch */ color: oklch(63.6% 0.133 256.0);

Tailwind

colors: {
  custom: {
    50: '#8eade6',
    500: '#518cda',
    950: '#000000',
  },
}

SCSS

$custom: #518cda;
$custom-light: #8eade6;
$custom-dark: #000000;

JSON

{
  "hex": "#518cda",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 214.161,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63567,
    "c": 0.13329,
    "h": 256
  },
  "luminance": 0.25567
}

Semantic roles & 50–950 ramp

primary

#518CDA

secondary

#DEC7A8

accent

#A040E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518CDA

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

Preview Lab → · Contrast checker → · Palette generator →