#518BCC#518BCC

#518BCC is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.116 H 252.6°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#518BCC
RGB	rgb(81, 139, 204)
HSL	hsl(212, 55%, 56%)
HSV	hsv(212, 60%, 80%)
CMYK	cmyk(60.3%, 31.9%, 0%, 20%)
CIE-LAB	lab(56.66, 0.74, -39.26)
CIE-LCH	lch(56.66, 39.27, 271.08°)
OKLab	oklab(62.59% -0.0348 -0.1109)
OKLCH	oklch(62.59% 0.116 252.6)
XYZ	xyz(23.5211, 24.5721, 60.6184)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BCC #CC9251

analogous

#51C9CC #518BCC #5451CC

triadic

#518BCC #CC518B #8BCC51

tetradic

#518BCC #CC51C9 #CC9251 #51CC54

square

#518BCC #CC51C9 #CC9251 #51CC54

split-complementary

#518BCC #CC5451 #C9CC51

monochromatic

#254F7E #336CAD #518BCC #80ABDA #B0CAE8

Accessibility & contrast

On white

3.55

#518BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#518BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BCC

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BCC	#FFFFFF	#000000	##000000
##518BCC	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708ECF

Deuteranopia (green-blind)

#5F83CB

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #518bcc;
/* rgb */ color: rgb(81, 139, 204);
/* oklch */ color: oklch(62.6% 0.116 252.6);

Tailwind

colors: {
  custom: {
    50: '#8cacdc',
    500: '#518bcc',
    950: '#000000',
  },
}

SCSS

$custom: #518bcc;
$custom-light: #8cacdc;
$custom-dark: #000000;

JSON

{
  "hex": "#518bcc",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 204
  },
  "hsl": {
    "h": 211.707,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62588,
    "c": 0.1162,
    "h": 252.6
  },
  "luminance": 0.24574
}

Semantic roles & 50–950 ramp

primary

#518BCC

secondary

#D6BEA3

accent

#984ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518BCC

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

Preview Lab → · Contrast checker → · Palette generator →