#518FC9#518FC9

#518FC9 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.109 H 248.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#518FC9
RGB	rgb(81, 143, 201)
HSL	hsl(209, 53%, 55%)
HSV	hsv(209, 60%, 79%)
CMYK	cmyk(59.7%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(57.66, -2.57, -35.99)
CIE-LCH	lch(57.66, 36.08, 265.92°)
OKLab	oklab(63.33% -0.04 -0.1013)
OKLCH	oklch(63.33% 0.109 248.4)
XYZ	xyz(23.7546, 25.6091, 58.9382)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FC9 #C98B51

analogous

#51C9C7 #518FC9 #5153C9

triadic

#518FC9 #C9518F #8FC951

tetradic

#518FC9 #C751C9 #C98B51 #53C951

square

#518FC9 #C751C9 #C98B51 #53C951

split-complementary

#518FC9 #C95153 #C9C751

monochromatic

#26517A #3470A9 #518FC9 #80ADD7 #AECBE6

Accessibility & contrast

On white

3.43

#518FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#518FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FC9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FC9	#FFFFFF	#000000	##000000
##518FC9	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7691CC

Deuteranopia (green-blind)

#6685C8

Tritanopia (blue-blind)

#009DA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518fc9;
/* rgb */ color: rgb(81, 143, 201);
/* oklch */ color: oklch(63.3% 0.109 248.4);

Tailwind

colors: {
  custom: {
    50: '#8cafd9',
    500: '#518fc9',
    950: '#000000',
  },
}

SCSS

$custom: #518fc9;
$custom-light: #8cafd9;
$custom-dark: #000000;

JSON

{
  "hex": "#518fc9",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 209,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63334,
    "c": 0.10895,
    "h": 248.4
  },
  "luminance": 0.25611
}

Semantic roles & 50–950 ramp

primary

#518FC9

secondary

#D4BAA2

accent

#914CDC

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #518FC9

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

Preview Lab → · Contrast checker → · Palette generator →