#519CE9#519CE9

#519CE9 is a light, vivid cyan. Relative luminance 0.314; OKLCH L 67.9% C 0.137 H 251.1°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#519CE9
RGB	rgb(81, 156, 233)
HSL	hsl(210, 78%, 62%)
HSV	hsv(210, 65%, 91%)
CMYK	cmyk(65.2%, 33%, 0%, 8.6%)
CIE-LAB	lab(62.85, 0.51, -45.69)
CIE-LCH	lch(62.85, 45.69, 270.63°)
OKLab	oklab(67.9% -0.0444 -0.1294)
OKLCH	oklch(67.9% 0.137 251.1)
XYZ	xyz(29.9844, 31.4064, 81.5568)
Luminance	0.3141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519CE9 #E99E51

analogous

#51E8E9 #519CE9 #5251E9

triadic

#519CE9 #E9519C #9CE951

tetradic

#519CE9 #E951E8 #E99E51 #51E952

square

#519CE9 #E951E8 #E99E51 #51E952

split-complementary

#519CE9 #E95251 #E8E951

monochromatic

#165FAA #1C7DE0 #519CE9 #87BBF0 #BEDAF7

Accessibility & contrast

On white

2.88

#519CE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#519CE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519CE9

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519CE9	#FFFFFF	#000000	##000000
##519CE9	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)

#7AA0EC

Deuteranopia (green-blind)

#6591E7

Tritanopia (blue-blind)

#00AEB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #519ce9;
/* rgb */ color: rgb(81, 156, 233);
/* oklch */ color: oklch(67.9% 0.137 251.1);

Tailwind

colors: {
  custom: {
    50: '#90b8f0',
    500: '#519ce9',
    950: '#000000',
  },
}

SCSS

$custom: #519ce9;
$custom-light: #90b8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#519ce9",
  "rgb": {
    "r": 81,
    "g": 156,
    "b": 233
  },
  "hsl": {
    "h": 210.395,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.67896,
    "c": 0.13682,
    "h": 251.1
  },
  "luminance": 0.31409
}

Semantic roles & 50–950 ramp

primary

#519CE9

secondary

#E7CBAF

accent

#740CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519CE9

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

Preview Lab → · Contrast checker → · Palette generator →