#509FDA#509FDA

#509FDA is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.8% C 0.117 H 243.4°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#509FDA
RGB	rgb(80, 159, 218)
HSL	hsl(206, 65%, 58%)
HSV	hsv(206, 63%, 85%)
CMYK	cmyk(63.3%, 27.1%, 0%, 14.5%)
CIE-LAB	lab(62.98, -6.33, -37.19)
CIE-LCH	lch(62.98, 37.73, 260.35°)
OKLab	oklab(67.76% -0.0525 -0.1047)
OKLCH	oklch(67.76% 0.117 243.4)
XYZ	xyz(28.3565, 31.5609, 70.9135)
Luminance	0.3156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FDA #DA8B50

analogous

#50DAD0 #509FDA #505ADA

triadic

#509FDA #DA509F #9FDA50

tetradic

#509FDA #D050DA #DA8B50 #5ADA50

square

#509FDA #D050DA #DA8B50 #5ADA50

split-complementary

#509FDA #DA505A #DAD050

monochromatic

#1F6091 #2982C3 #509FDA #83BBE5 #B5D6EF

Accessibility & contrast

On white

2.87

#509FDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#509FDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FDA

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FDA	#FFFFFF	#000000	##000000
##509FDA	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A0DD

Deuteranopia (green-blind)

#7292D9

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #509fda;
/* rgb */ color: rgb(80, 159, 218);
/* oklch */ color: oklch(67.8% 0.117 243.4);

Tailwind

colors: {
  custom: {
    50: '#8ebbe5',
    500: '#509fda',
    950: '#000000',
  },
}

SCSS

$custom: #509fda;
$custom-light: #8ebbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#509fda",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 218
  },
  "hsl": {
    "h": 205.652,
    "s": 65.094,
    "l": 58.431
  },
  "oklch": {
    "l": 0.67762,
    "c": 0.11715,
    "h": 243.4
  },
  "luminance": 0.31564
}

Semantic roles & 50–950 ramp

primary

#509FDA

secondary

#DEBFA8

accent

#8840E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509FDA

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

Preview Lab → · Contrast checker → · Palette generator →