#519BE4#519BE4

#519BE4 is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.4% C 0.132 H 250.1°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#519BE4
RGB	rgb(81, 155, 228)
HSL	hsl(210, 73%, 61%)
HSV	hsv(210, 64%, 89%)
CMYK	cmyk(64.5%, 32%, 0%, 10.6%)
CIE-LAB	lab(62.33, -0.59, -43.74)
CIE-LCH	lch(62.33, 43.75, 269.23°)
OKLab	oklab(67.41% -0.0448 -0.1237)
OKLCH	oklch(67.41% 0.132 250.1)
XYZ	xyz(29.1131, 30.7905, 77.7926)
Luminance	0.3079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BE4 #E49A51

analogous

#51E4E3 #519BE4 #5151E4

triadic

#519BE4 #E4519B #9BE451

tetradic

#519BE4 #E351E4 #E49A51 #51E451

square

#519BE4 #E351E4 #E49A51 #51E451

split-complementary

#519BE4 #E45151 #E4E351

monochromatic

#195EA2 #217DD7 #519BE4 #86B9EC #BBD8F4

Accessibility & contrast

On white

2.93

#519BE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#519BE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BE4

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BE4	#FFFFFF	#000000	##000000
##519BE4	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9EE7

Deuteranopia (green-blind)

#6790E3

Tritanopia (blue-blind)

#00ACB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #519be4;
/* rgb */ color: rgb(81, 155, 228);
/* oklch */ color: oklch(67.4% 0.132 250.1);

Tailwind

colors: {
  custom: {
    50: '#8fb8ed',
    500: '#519be4',
    950: '#000000',
  },
}

SCSS

$custom: #519be4;
$custom-light: #8fb8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#519be4",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 228
  },
  "hsl": {
    "h": 209.796,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67411,
    "c": 0.13161,
    "h": 250.1
  },
  "luminance": 0.30793
}

Semantic roles & 50–950 ramp

primary

#519BE4

secondary

#E4C8AC

accent

#7210D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519BE4

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

Preview Lab → · Contrast checker → · Palette generator →