#518CC0#518CC0

#518CC0 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.100 H 246.8°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#518CC0
RGB	rgb(81, 140, 192)
HSL	hsl(208, 47%, 54%)
HSV	hsv(208, 58%, 75%)
CMYK	cmyk(57.8%, 27.1%, 0%, 24.7%)
CIE-LAB	lab(56.40, -3.75, -32.88)
CIE-LCH	lch(56.40, 33.09, 263.49°)
OKLab	oklab(62.2% -0.0395 -0.0923)
OKLCH	oklch(62.2% 0.1 246.8)
XYZ	xyz(22.2824, 24.3093, 53.3769)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CC0 #C08551

analogous

#51C0BC #518CC0 #5154C0

triadic

#518CC0 #C0518C #8CC051

tetradic

#518CC0 #BC51C0 #C08551 #54C051

square

#518CC0 #BC51C0 #C08551 #54C051

split-complementary

#518CC0 #C05154 #C0BC51

monochromatic

#284E6F #386D9B #518CC0 #7EAAD0 #ABC7E1

Accessibility & contrast

On white

3.58

#518CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#518CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CC0

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CC0	#FFFFFF	#000000	##000000
##518CC0	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC2

Deuteranopia (green-blind)

#6782BF

Tritanopia (blue-blind)

#00989E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #518cc0;
/* rgb */ color: rgb(81, 140, 192);
/* oklch */ color: oklch(62.2% 0.100 246.8);

Tailwind

colors: {
  custom: {
    50: '#8aadd3',
    500: '#518cc0',
    950: '#000000',
  },
}

SCSS

$custom: #518cc0;
$custom-light: #8aadd3;
$custom-dark: #000000;

JSON

{
  "hex": "#518cc0",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 192
  },
  "hsl": {
    "h": 208.108,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62204,
    "c": 0.10045,
    "h": 246.8
  },
  "luminance": 0.24311
}

Semantic roles & 50–950 ramp

primary

#518CC0

secondary

#CEB59F

accent

#9051D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #518CC0

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

Preview Lab → · Contrast checker → · Palette generator →