#519FE1#519FE1

#519FE1 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.1% C 0.125 H 246.5°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#519FE1
RGB	rgb(81, 159, 225)
HSL	hsl(208, 71%, 60%)
HSV	hsv(208, 64%, 88%)
CMYK	cmyk(64%, 29.3%, 0%, 11.8%)
CIE-LAB	lab(63.33, -3.86, -40.52)
CIE-LCH	lch(63.33, 40.71, 264.56°)
OKLab	oklab(68.15% -0.0497 -0.1143)
OKLCH	oklch(68.15% 0.125 246.5)
XYZ	xyz(29.3770, 31.9789, 75.8439)
Luminance	0.3198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519FE1 #E19351

analogous

#51E1DB #519FE1 #5157E1

triadic

#519FE1 #E1519F #9FE151

tetradic

#519FE1 #DB51E1 #E19351 #57E151

square

#519FE1 #DB51E1 #E19351 #57E151

split-complementary

#519FE1 #E15157 #E1DB51

monochromatic

#1B619D #2482D1 #519FE1 #85BCEA #B9D9F3

Accessibility & contrast

On white

2.84

#519FE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#519FE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FE1

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519FE1	#FFFFFF	#000000	##000000
##519FE1	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A1E4

Deuteranopia (green-blind)

#6E93E0

Tritanopia (blue-blind)

#00AFB6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #519fe1;
/* rgb */ color: rgb(81, 159, 225);
/* oklch */ color: oklch(68.1% 0.125 246.5);

Tailwind

colors: {
  custom: {
    50: '#8fbbea',
    500: '#519fe1',
    950: '#000000',
  },
}

SCSS

$custom: #519fe1;
$custom-light: #8fbbea;
$custom-dark: #000000;

JSON

{
  "hex": "#519fe1",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 225
  },
  "hsl": {
    "h": 207.5,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.68148,
    "c": 0.12469,
    "h": 246.5
  },
  "luminance": 0.31982
}

Semantic roles & 50–950 ramp

primary

#519FE1

secondary

#E3C5AB

accent

#8C3AED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519FE1

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

Preview Lab → · Contrast checker → · Palette generator →