#518BCF#518BCF

#518BCF is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.7% C 0.120 H 253.5°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#518BCF
RGB	rgb(81, 139, 207)
HSL	hsl(212, 57%, 56%)
HSV	hsv(212, 61%, 81%)
CMYK	cmyk(60.9%, 32.9%, 0%, 18.8%)
CIE-LAB	lab(56.80, 1.73, -40.73)
CIE-LCH	lch(56.80, 40.76, 272.44°)
OKLab	oklab(62.75% -0.034 -0.1151)
OKLCH	oklch(62.75% 0.12 253.5)
XYZ	xyz(23.8844, 24.7174, 62.5316)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BCF #CF9551

analogous

#51CACF #518BCF #5651CF

triadic

#518BCF #CF518B #8BCF51

tetradic

#518BCF #CF51CA #CF9551 #51CF56

square

#518BCF #CF51CA #CF9551 #51CF56

split-complementary

#518BCF #CF5651 #CACF51

monochromatic

#244F82 #316CB2 #518BCF #81ABDC #B1CBE9

Accessibility & contrast

On white

3.53

#518BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#518BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BCF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BCF	#FFFFFF	#000000	##000000
##518BCF	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8FD2

Deuteranopia (green-blind)

#5D83CE

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #518bcf;
/* rgb */ color: rgb(81, 139, 207);
/* oklch */ color: oklch(62.7% 0.120 253.5);

Tailwind

colors: {
  custom: {
    50: '#8cacde',
    500: '#518bcf',
    950: '#000000',
  },
}

SCSS

$custom: #518bcf;
$custom-light: #8cacde;
$custom-dark: #000000;

JSON

{
  "hex": "#518bcf",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 207
  },
  "hsl": {
    "h": 212.381,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62747,
    "c": 0.12005,
    "h": 253.5
  },
  "luminance": 0.2472
}

Semantic roles & 50–950 ramp

primary

#518BCF

secondary

#D8C0A4

accent

#9A48E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518BCF

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

Preview Lab → · Contrast checker → · Palette generator →