#509FDF#509FDF

#509FDF is a light, vivid cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.123 H 245.5°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#509FDF
RGB	rgb(80, 159, 223)
HSL	hsl(207, 69%, 59%)
HSV	hsv(207, 64%, 87%)
CMYK	cmyk(64.1%, 28.7%, 0%, 12.5%)
CIE-LAB	lab(63.20, -4.69, -39.62)
CIE-LCH	lch(63.20, 39.89, 263.25°)
OKLab	oklab(68.01% -0.051 -0.1117)
OKLCH	oklch(68.01% 0.123 245.5)
XYZ	xyz(29.0207, 31.8265, 74.4115)
Luminance	0.3183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FDF #DF9050

analogous

#50DFD7 #509FDF #5058DF

triadic

#509FDF #DF509F #9FDF50

tetradic

#509FDF #D750DF #DF9050 #58DF50

square

#509FDF #D750DF #DF9050 #58DF50

split-complementary

#509FDF #DF5058 #DFD750

monochromatic

#1C6199 #2582CC #509FDF #84BBE8 #B7D8F2

Accessibility & contrast

On white

2.85

#509FDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#509FDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FDF

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FDF	#FFFFFF	#000000	##000000
##509FDF	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E2

Deuteranopia (green-blind)

#6F93DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #509fdf;
/* rgb */ color: rgb(80, 159, 223);
/* oklch */ color: oklch(68.0% 0.123 245.5);

Tailwind

colors: {
  custom: {
    50: '#8ebbe9',
    500: '#509fdf',
    950: '#000000',
  },
}

SCSS

$custom: #509fdf;
$custom-light: #8ebbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#509fdf",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 223
  },
  "hsl": {
    "h": 206.853,
    "s": 69.082,
    "l": 59.412
  },
  "oklch": {
    "l": 0.68009,
    "c": 0.12282,
    "h": 245.5
  },
  "luminance": 0.31829
}

Semantic roles & 50–950 ramp

primary

#509FDF

secondary

#E1C2AA

accent

#8B3CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509FDF

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

Preview Lab → · Contrast checker → · Palette generator →