#518ECD#518ECD

#518ECD is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.115 H 250.8°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#518ECD
RGB	rgb(81, 142, 205)
HSL	hsl(210, 55%, 56%)
HSV	hsv(210, 60%, 80%)
CMYK	cmyk(60.5%, 30.7%, 0%, 19.6%)
CIE-LAB	lab(57.56, -0.68, -38.40)
CIE-LCH	lch(57.56, 38.41, 268.98°)
OKLab	oklab(63.31% -0.0378 -0.1083)
OKLCH	oklch(63.31% 0.115 250.8)
XYZ	xyz(24.0818, 25.5009, 61.3988)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ECD #CD9051

analogous

#51CCCD #518ECD #5251CD

triadic

#518ECD #CD518E #8ECD51

tetradic

#518ECD #CD51CC #CD9051 #51CD52

square

#518ECD #CD51CC #CD9051 #51CD52

split-complementary

#518ECD #CD5251 #CCCD51

monochromatic

#25517F #326FAF #518ECD #81ADDB #B0CCE8

Accessibility & contrast

On white

3.44

#518ECD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#518ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ECD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ECD	#FFFFFF	#000000	##000000
##518ECD	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D0

Deuteranopia (green-blind)

#6385CC

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ecd;
/* rgb */ color: rgb(81, 142, 205);
/* oklch */ color: oklch(63.3% 0.115 250.8);

Tailwind

colors: {
  custom: {
    50: '#8caedc',
    500: '#518ecd',
    950: '#000000',
  },
}

SCSS

$custom: #518ecd;
$custom-light: #8caedc;
$custom-dark: #000000;

JSON

{
  "hex": "#518ecd",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 205
  },
  "hsl": {
    "h": 210.484,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63313,
    "c": 0.11475,
    "h": 250.8
  },
  "luminance": 0.25503
}

Semantic roles & 50–950 ramp

primary

#518ECD

secondary

#D7BDA3

accent

#9549DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518ECD

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

Preview Lab → · Contrast checker → · Palette generator →