#518EC5#518EC5

#518EC5 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.9% C 0.105 H 247.5°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#518EC5
RGB	rgb(81, 142, 197)
HSL	hsl(208, 50%, 55%)
HSV	hsv(208, 59%, 77%)
CMYK	cmyk(58.9%, 27.9%, 0%, 22.7%)
CIE-LAB	lab(57.20, -3.29, -34.46)
CIE-LCH	lch(57.20, 34.62, 264.55°)
OKLab	oklab(62.91% -0.0402 -0.0969)
OKLCH	oklch(62.91% 0.105 247.5)
XYZ	xyz(23.1407, 25.1245, 56.4425)
Luminance	0.2513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EC5 #C58851

analogous

#51C5C2 #518EC5 #5154C5

triadic

#518EC5 #C5518E #8EC551

tetradic

#518EC5 #C251C5 #C58851 #54C551

square

#518EC5 #C251C5 #C58851 #54C551

split-complementary

#518EC5 #C55154 #C5C251

monochromatic

#275075 #366FA3 #518EC5 #7FACD4 #ADCAE4

Accessibility & contrast

On white

3.49

#518EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#518EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EC5

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EC5	#FFFFFF	#000000	##000000
##518EC5	1.00	3.49	6.03	6.03
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7790C7

Deuteranopia (green-blind)

#6784C4

Tritanopia (blue-blind)

#009BA1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518ec5;
/* rgb */ color: rgb(81, 142, 197);
/* oklch */ color: oklch(62.9% 0.105 247.5);

Tailwind

colors: {
  custom: {
    50: '#8baed7',
    500: '#518ec5',
    950: '#000000',
  },
}

SCSS

$custom: #518ec5;
$custom-light: #8baed7;
$custom-dark: #000000;

JSON

{
  "hex": "#518ec5",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 197
  },
  "hsl": {
    "h": 208.448,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62907,
    "c": 0.10491,
    "h": 247.5
  },
  "luminance": 0.25127
}

Semantic roles & 50–950 ramp

primary

#518EC5

secondary

#D1B8A0

accent

#904EDA

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #518EC5

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

Preview Lab → · Contrast checker → · Palette generator →