#518DCB#518DCB

#518DCB is a light, moderate cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.113 H 250.8°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#518DCB
RGB	rgb(81, 141, 203)
HSL	hsl(210, 54%, 56%)
HSV	hsv(210, 60%, 80%)
CMYK	cmyk(60.1%, 30.5%, 0%, 20.4%)
CIE-LAB	lab(57.18, -0.76, -37.87)
CIE-LCH	lch(57.18, 37.88, 268.86°)
OKLab	oklab(62.98% -0.0373 -0.1068)
OKLCH	oklch(62.98% 0.113 250.8)
XYZ	xyz(23.6938, 25.1087, 60.0862)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DCB #CB8F51

analogous

#51CACB #518DCB #5251CB

triadic

#518DCB #CB518D #8DCB51

tetradic

#518DCB #CB51CA #CB8F51 #51CB52

square

#518DCB #CB51CA #CB8F51 #51CB52

split-complementary

#518DCB #CB5251 #CACB51

monochromatic

#25507C #336EAC #518DCB #80ACD9 #AFCBE7

Accessibility & contrast

On white

3.49

#518DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#518DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DCB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DCB	#FFFFFF	#000000	##000000
##518DCB	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CE

Deuteranopia (green-blind)

#6284CA

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518dcb;
/* rgb */ color: rgb(81, 141, 203);
/* oklch */ color: oklch(63.0% 0.113 250.8);

Tailwind

colors: {
  custom: {
    50: '#8caedb',
    500: '#518dcb',
    950: '#000000',
  },
}

SCSS

$custom: #518dcb;
$custom-light: #8caedb;
$custom-dark: #000000;

JSON

{
  "hex": "#518dcb",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 203
  },
  "hsl": {
    "h": 210.492,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62984,
    "c": 0.11313,
    "h": 250.8
  },
  "luminance": 0.25111
}

Semantic roles & 50–950 ramp

primary

#518DCB

secondary

#D5BCA3

accent

#954ADD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518DCB

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

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