#519AEF#519AEF

#519AEF is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.8% C 0.146 H 253.7°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#519AEF
RGB	rgb(81, 154, 239)
HSL	hsl(212, 83%, 63%)
HSV	hsv(212, 66%, 94%)
CMYK	cmyk(66.1%, 35.6%, 0%, 6.3%)
CIE-LAB	lab(62.58, 3.68, -49.41)
CIE-LCH	lch(62.58, 49.55, 274.26°)
OKLab	oklab(67.78% -0.0409 -0.1403)
OKLCH	oklch(67.78% 0.146 253.7)
XYZ	xyz(30.5232, 31.0894, 86.0369)
Luminance	0.3109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519AEF #EFA651

analogous

#51E9EF #519AEF #5751EF

triadic

#519AEF #EF519A #9AEF51

tetradic

#519AEF #EF51E9 #EFA651 #51EF57

square

#519AEF #EF51E9 #EFA651 #51EF57

split-complementary

#519AEF #EF5751 #E9EF51

monochromatic

#115DB5 #1979EA #519AEF #89BBF4 #C1DBF9

Accessibility & contrast

On white

2.91

#519AEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#519AEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519AEF

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519AEF	#FFFFFF	#000000	##000000
##519AEF	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A0F3

Deuteranopia (green-blind)

#5E91ED

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #519aef;
/* rgb */ color: rgb(81, 154, 239);
/* oklch */ color: oklch(67.8% 0.146 253.7);

Tailwind

colors: {
  custom: {
    50: '#91b7f4',
    500: '#519aef',
    950: '#000000',
  },
}

SCSS

$custom: #519aef;
$custom-light: #91b7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#519aef",
  "rgb": {
    "r": 81,
    "g": 154,
    "b": 239
  },
  "hsl": {
    "h": 212.278,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.67783,
    "c": 0.14616,
    "h": 253.7
  },
  "luminance": 0.31093
}

Semantic roles & 50–950 ramp

primary

#519AEF

secondary

#EAD0B1

accent

#7B06E0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #519AEF

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

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