#519BE3#519BE3

#519BE3 is a light, vivid cyan. Relative luminance 0.307; OKLCH L 67.4% C 0.130 H 249.8°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#519BE3
RGB	rgb(81, 155, 227)
HSL	hsl(210, 72%, 60%)
HSV	hsv(210, 64%, 89%)
CMYK	cmyk(64.3%, 31.7%, 0%, 11%)
CIE-LAB	lab(62.28, -0.92, -43.26)
CIE-LCH	lch(62.28, 43.27, 268.78°)
OKLab	oklab(67.36% -0.0451 -0.1224)
OKLCH	oklch(67.36% 0.13 249.8)
XYZ	xyz(28.9747, 30.7352, 77.0637)
Luminance	0.3074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BE3 #E39951

analogous

#51E3E2 #519BE3 #5152E3

triadic

#519BE3 #E3519B #9BE351

tetradic

#519BE3 #E251E3 #E39951 #52E351

square

#519BE3 #E251E3 #E39951 #52E351

split-complementary

#519BE3 #E35152 #E3E251

monochromatic

#1A5EA0 #227DD5 #519BE3 #86B9EB #BAD8F4

Accessibility & contrast

On white

2.94

#519BE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#519BE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BE3

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BE3	#FFFFFF	#000000	##000000
##519BE3	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9EE6

Deuteranopia (green-blind)

#6890E2

Tritanopia (blue-blind)

#00ACB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #519be3;
/* rgb */ color: rgb(81, 155, 227);
/* oklch */ color: oklch(67.4% 0.130 249.8);

Tailwind

colors: {
  custom: {
    50: '#8fb8ec',
    500: '#519be3',
    950: '#000000',
  },
}

SCSS

$custom: #519be3;
$custom-light: #8fb8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#519be3",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 227
  },
  "hsl": {
    "h": 209.589,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67359,
    "c": 0.1304,
    "h": 249.8
  },
  "luminance": 0.30738
}

Semantic roles & 50–950 ramp

primary

#519BE3

secondary

#E4C8AC

accent

#7111D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519BE3

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

Preview Lab → · Contrast checker → · Palette generator →