#519DE9#519DE9

#519DE9 is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.136 H 250.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#519DE9
RGB	rgb(81, 157, 233)
HSL	hsl(210, 78%, 62%)
HSV	hsv(210, 65%, 91%)
CMYK	cmyk(65.2%, 32.6%, 0%, 8.6%)
CIE-LAB	lab(63.13, -0.07, -45.24)
CIE-LCH	lch(63.13, 45.24, 269.91°)
OKLab	oklab(68.12% -0.0454 -0.1281)
OKLCH	oklch(68.12% 0.136 250.5)
XYZ	xyz(30.1529, 31.7434, 81.6130)
Luminance	0.3175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519DE9 #E99D51

analogous

#51E9E9 #519DE9 #5151E9

triadic

#519DE9 #E9519D #9DE951

tetradic

#519DE9 #E951E9 #E99D51 #51E951

square

#519DE9 #E951E9 #E99D51 #51E951

split-complementary

#519DE9 #E95151 #E9E951

monochromatic

#1660AA #1C7EE0 #519DE9 #87BCF0 #BEDAF7

Accessibility & contrast

On white

2.86

#519DE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#519DE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DE9

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519DE9	#FFFFFF	#000000	##000000
##519DE9	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA1EC

Deuteranopia (green-blind)

#6792E7

Tritanopia (blue-blind)

#00AFB8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #519de9;
/* rgb */ color: rgb(81, 157, 233);
/* oklch */ color: oklch(68.1% 0.136 250.5);

Tailwind

colors: {
  custom: {
    50: '#90b9f0',
    500: '#519de9',
    950: '#000000',
  },
}

SCSS

$custom: #519de9;
$custom-light: #90b9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#519de9",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 233
  },
  "hsl": {
    "h": 210,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68116,
    "c": 0.13592,
    "h": 250.5
  },
  "luminance": 0.31746
}

Semantic roles & 50–950 ramp

primary

#519DE9

secondary

#E7CBAF

accent

#730CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519DE9

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

Preview Lab → · Contrast checker → · Palette generator →