#519FE4#519FE4

#519FE4 is a light, vivid cyan. Relative luminance 0.321; OKLCH L 68.3% C 0.128 H 247.6°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#519FE4
RGB	rgb(81, 159, 228)
HSL	hsl(208, 73%, 61%)
HSV	hsv(208, 64%, 89%)
CMYK	cmyk(64.5%, 30.3%, 0%, 10.6%)
CIE-LAB	lab(63.46, -2.87, -41.97)
CIE-LCH	lch(63.46, 42.06, 266.09°)
OKLab	oklab(68.3% -0.0488 -0.1185)
OKLCH	oklch(68.3% 0.128 247.6)
XYZ	xyz(29.7899, 32.1440, 78.0182)
Luminance	0.3215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519FE4 #E49651

analogous

#51E4DF #519FE4 #5155E4

triadic

#519FE4 #E4519F #9FE451

tetradic

#519FE4 #DF51E4 #E49651 #55E451

square

#519FE4 #DF51E4 #E49651 #55E451

split-complementary

#519FE4 #E45155 #E4DF51

monochromatic

#1961A2 #2181D7 #519FE4 #86BCEC #BBD9F4

Accessibility & contrast

On white

2.83

#519FE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#519FE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FE4

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519FE4	#FFFFFF	#000000	##000000
##519FE4	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A2E7

Deuteranopia (green-blind)

#6D93E3

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #519fe4;
/* rgb */ color: rgb(81, 159, 228);
/* oklch */ color: oklch(68.3% 0.128 247.6);

Tailwind

colors: {
  custom: {
    50: '#8fbbed',
    500: '#519fe4',
    950: '#000000',
  },
}

SCSS

$custom: #519fe4;
$custom-light: #8fbbed;
$custom-dark: #000000;

JSON

{
  "hex": "#519fe4",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 228
  },
  "hsl": {
    "h": 208.163,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.683,
    "c": 0.1282,
    "h": 247.6
  },
  "luminance": 0.32147
}

Semantic roles & 50–950 ramp

primary

#519FE4

secondary

#E4C7AC

accent

#6D10D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519FE4

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

Preview Lab → · Contrast checker → · Palette generator →