#518FC8#518FC8

#518FC8 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.108 H 248.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#518FC8
RGB	rgb(81, 143, 200)
HSL	hsl(209, 52%, 55%)
HSV	hsv(209, 60%, 78%)
CMYK	cmyk(59.5%, 28.5%, 0%, 21.6%)
CIE-LAB	lab(57.62, -2.89, -35.49)
CIE-LCH	lch(57.62, 35.61, 265.34°)
OKLab	oklab(63.28% -0.0403 -0.0999)
OKLCH	oklch(63.28% 0.108 248)
XYZ	xyz(23.6373, 25.5622, 58.3207)
Luminance	0.2556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FC8 #C88A51

analogous

#51C8C5 #518FC8 #5154C8

triadic

#518FC8 #C8518F #8FC851

tetradic

#518FC8 #C551C8 #C88A51 #54C851

square

#518FC8 #C551C8 #C88A51 #54C851

split-complementary

#518FC8 #C85154 #C8C551

monochromatic

#265179 #3570A7 #518FC8 #80ADD7 #AECBE5

Accessibility & contrast

On white

3.44

#518FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#518FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FC8

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FC8	#FFFFFF	#000000	##000000
##518FC8	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)

#7791CB

Deuteranopia (green-blind)

#6785C7

Tritanopia (blue-blind)

#009CA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518fc8;
/* rgb */ color: rgb(81, 143, 200);
/* oklch */ color: oklch(63.3% 0.108 248.0);

Tailwind

colors: {
  custom: {
    50: '#8bafd9',
    500: '#518fc8',
    950: '#000000',
  },
}

SCSS

$custom: #518fc8;
$custom-light: #8bafd9;
$custom-dark: #000000;

JSON

{
  "hex": "#518fc8",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 200
  },
  "hsl": {
    "h": 208.739,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63284,
    "c": 0.10774,
    "h": 248
  },
  "luminance": 0.25564
}

Semantic roles & 50–950 ramp

primary

#518FC8

secondary

#D3B9A1

accent

#914CDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #518FC8

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

Preview Lab → · Contrast checker → · Palette generator →