#519EE5#519EE5

#519EE5 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.1% C 0.130 H 248.6°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#519EE5
RGB	rgb(81, 158, 229)
HSL	hsl(209, 74%, 61%)
HSV	hsv(209, 65%, 90%)
CMYK	cmyk(64.6%, 31%, 0%, 10.2%)
CIE-LAB	lab(63.22, -1.97, -42.89)
CIE-LCH	lch(63.22, 42.93, 267.37°)
OKLab	oklab(68.13% -0.0475 -0.1212)
OKLCH	oklch(68.13% 0.13 248.6)
XYZ	xyz(29.7578, 31.8572, 78.6943)
Luminance	0.3186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519EE5 #E59851

analogous

#51E5E2 #519EE5 #5154E5

triadic

#519EE5 #E5519E #9EE551

tetradic

#519EE5 #E251E5 #E59851 #54E551

square

#519EE5 #E251E5 #E59851 #54E551

split-complementary

#519EE5 #E55154 #E5E251

monochromatic

#1861A3 #2080D8 #519EE5 #86BCED #BBD9F5

Accessibility & contrast

On white

2.85

#519EE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#519EE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519EE5

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519EE5	#FFFFFF	#000000	##000000
##519EE5	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA1E8

Deuteranopia (green-blind)

#6B93E4

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #519ee5;
/* rgb */ color: rgb(81, 158, 229);
/* oklch */ color: oklch(68.1% 0.130 248.6);

Tailwind

colors: {
  custom: {
    50: '#90baed',
    500: '#519ee5',
    950: '#000000',
  },
}

SCSS

$custom: #519ee5;
$custom-light: #90baed;
$custom-dark: #000000;

JSON

{
  "hex": "#519ee5",
  "rgb": {
    "r": 81,
    "g": 158,
    "b": 229
  },
  "hsl": {
    "h": 208.784,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.68129,
    "c": 0.13022,
    "h": 248.6
  },
  "luminance": 0.3186
}

Semantic roles & 50–950 ramp

primary

#519EE5

secondary

#E5C8AD

accent

#6F0FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519EE5

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

Preview Lab → · Contrast checker → · Palette generator →