#509DE3#509DE3

#509DE3 is a light, vivid cyan. Relative luminance 0.314; OKLCH L 67.8% C 0.129 H 248.3°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#509DE3
RGB	rgb(80, 157, 227)
HSL	hsl(209, 72%, 60%)
HSV	hsv(209, 65%, 89%)
CMYK	cmyk(64.8%, 30.8%, 0%, 11%)
CIE-LAB	lab(62.81, -2.23, -42.43)
CIE-LCH	lch(62.81, 42.49, 266.99°)
OKLab	oklab(67.76% -0.0478 -0.1199)
OKLCH	oklch(67.76% 0.129 248.3)
XYZ	xyz(29.2252, 31.3625, 77.1715)
Luminance	0.3136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DE3 #E39650

analogous

#50E3DF #509DE3 #5054E3

triadic

#509DE3 #E3509D #9DE350

tetradic

#509DE3 #DF50E3 #E39650 #54E350

square

#509DE3 #DF50E3 #E39650 #54E350

split-complementary

#509DE3 #E35054 #E3DF50

monochromatic

#195F9F #227FD4 #509DE3 #85BBEB #BAD8F4

Accessibility & contrast

On white

2.89

#509DE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#509DE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509DE3

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DE3	#FFFFFF	#000000	##000000
##509DE3	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA0E6

Deuteranopia (green-blind)

#6A92E2

Tritanopia (blue-blind)

#00AEB6

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #509de3;
/* rgb */ color: rgb(80, 157, 227);
/* oklch */ color: oklch(67.8% 0.129 248.3);

Tailwind

colors: {
  custom: {
    50: '#8fb9ec',
    500: '#509de3',
    950: '#000000',
  },
}

SCSS

$custom: #509de3;
$custom-light: #8fb9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#509de3",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 227
  },
  "hsl": {
    "h": 208.571,
    "s": 72.414,
    "l": 60.196
  },
  "oklch": {
    "l": 0.67764,
    "c": 0.12911,
    "h": 248.3
  },
  "luminance": 0.31365
}

Semantic roles & 50–950 ramp

primary

#509DE3

secondary

#E4C6AB

accent

#6E11D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #509DE3

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

Preview Lab → · Contrast checker → · Palette generator →