#518ECB#518ECB

#518ECB is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.2% C 0.112 H 250.0°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#518ECB
RGB	rgb(81, 142, 203)
HSL	hsl(210, 54%, 56%)
HSV	hsv(210, 60%, 80%)
CMYK	cmyk(60.1%, 30%, 0%, 20.4%)
CIE-LAB	lab(57.47, -1.34, -37.42)
CIE-LCH	lch(57.47, 37.45, 267.95°)
OKLab	oklab(63.21% -0.0384 -0.1055)
OKLCH	oklch(63.21% 0.112 250)
XYZ	xyz(23.8419, 25.4049, 60.1355)
Luminance	0.2541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ECB #CB8E51

analogous

#51CBCB #518ECB #5151CB

triadic

#518ECB #CB518E #8ECB51

tetradic

#518ECB #CB51CB #CB8E51 #51CB51

square

#518ECB #CB51CB #CB8E51 #51CB51

split-complementary

#518ECB #CB5151 #CBCB51

monochromatic

#25517C #336FAC #518ECB #80ADD9 #AFCBE7

Accessibility & contrast

On white

3.45

#518ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#518ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ECB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ECB	#FFFFFF	#000000	##000000
##518ECB	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7491CE

Deuteranopia (green-blind)

#6485CA

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ecb;
/* rgb */ color: rgb(81, 142, 203);
/* oklch */ color: oklch(63.2% 0.112 250.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#518ecb",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.6321,
    "c": 0.11225,
    "h": 250
  },
  "luminance": 0.25407
}

Semantic roles & 50–950 ramp

primary

#518ECB

secondary

#D5BCA3

accent

#944ADD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518ECB

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

Preview Lab → · Contrast checker → · Palette generator →