#519BEF#519BEF

#519BEF is a light, vivid cyan. Relative luminance 0.314; OKLCH L 68.0% C 0.145 H 253.2°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#519BEF
RGB	rgb(81, 155, 239)
HSL	hsl(212, 83%, 63%)
HSV	hsv(212, 66%, 94%)
CMYK	cmyk(66.1%, 35.1%, 0%, 6.3%)
CIE-LAB	lab(62.86, 3.10, -48.97)
CIE-LCH	lch(62.86, 49.07, 273.62°)
OKLab	oklab(68% -0.0419 -0.139)
OKLCH	oklch(68% 0.145 253.2)
XYZ	xyz(30.6890, 31.4209, 86.0921)
Luminance	0.3142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BEF #EFA551

analogous

#51EAEF #519BEF #5651EF

triadic

#519BEF #EF519B #9BEF51

tetradic

#519BEF #EF51EA #EFA551 #51EF56

square

#519BEF #EF51EA #EFA551 #51EF56

split-complementary

#519BEF #EF5651 #EAEF51

monochromatic

#115EB5 #197BEA #519BEF #89BBF4 #C1DBF9

Accessibility & contrast

On white

2.88

#519BEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#519BEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BEF

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BEF	#FFFFFF	#000000	##000000
##519BEF	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F2

Deuteranopia (green-blind)

#5F91ED

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #519bef;
/* rgb */ color: rgb(81, 155, 239);
/* oklch */ color: oklch(68.0% 0.145 253.2);

Tailwind

colors: {
  custom: {
    50: '#91b8f4',
    500: '#519bef',
    950: '#000000',
  },
}

SCSS

$custom: #519bef;
$custom-light: #91b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#519bef",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 239
  },
  "hsl": {
    "h": 211.899,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68001,
    "c": 0.14518,
    "h": 253.2
  },
  "luminance": 0.31424
}

Semantic roles & 50–950 ramp

primary

#519BEF

secondary

#EAD0B1

accent

#7A06E0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #519BEF

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

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