# #309ddb color: Blue Damselfly

#309ddb is rgb(48, 157, 219) in RGB and oklch(66.37% 0.13231 238.997) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/309ddb

## Formats

| Format | Value |
| --- | --- |
| HEX | #309ddb |
| RGB | rgb(48, 157, 219) |
| HSL | hsl(201.75, 70.37%, 52.35%) |
| HSB / HSV | hsv(201.75 78.08% 85.88%) |
| HWB | hwb(201.75 18.82% 14.12%) |
| CMYK | cmyk(78% 28% 0% 14%) |
| Lab | lab(60.89 -15.13 -40.97) |
| LCH | lch(60.89 43.67 249.73) |
| OKLab | oklab(66.37% -0.06815 -0.11341) |
| OKLCH | oklch(66.37% 0.13231 238.997) |
| Display P3 | color(display-p3 0.32118 0.60715 0.83781) |
| Rec. 2020 | color(rec2020 0.38295 0.55913 0.81536) |
| Adobe RGB | color(a98-rgb 0.37723 0.60997 0.84646) |
| ProPhoto RGB | color(prophoto-rgb 0.43827 0.52855 0.78934) |
| Linear sRGB | color(srgb-linear 0.02956 0.33716 0.70838) |
| XYZ D65 | color(xyz-d65 0.2606 0.29855 0.71409) |
| XYZ D50 | color(xyz-d50 0.2441 0.29123 0.53899) |
| SwiftUI | Color(red: 0.188, green: 0.616, blue: 0.859) |
| UIKit | UIColor(red: 0.188, green: 0.616, blue: 0.859, alpha: 1) |
| Flutter / Compose | Color(0xFF309DDB) |
| Android XML | #309DDB |

## Facts

- Closest name: Blue Damselfly
- Hue family: Sky blue, bright sky blue
- Closest Tailwind class: sky-500
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 3.01:1
- Contrast with black: 6.97:1

## Tints

#309ddb, #4da7df, #64b1e3, #79bbe7, #8dc5eb, #a1cfef, #b4d8f2, #c7e2f6, #d9ecf9, #ecf5fc

## Shades

#309ddb, #2888be, #2173a2, #1a5f87, #134c6d, #0c3a54, #06283c, #031826, #010911, #000102

## Tones

#309ddb, #419cd4, #4e9ccd, #5a9bc6, #649abf, #6d99b8, #7698b1, #7e97a9, #8596a2, #8c959b

## Harmonies

- Complementary: #309ddb, #ce7d34
- Split: #309ddb, #d87163, #b48e10
- Analogous: #309ddb, #00a8bf, #728ee4
- Triadic: #309ddb, #d36e91, #8b9e34
- Tetradic: #309ddb, #9f7fd9, #ce7d34, #8b9e34
- Square: #309ddb, #bf74bb, #ce7d34, #51a965
- Monochromatic: #309ddb, #005489, #0078b3, #5cc3ff, #b0e7ff

## Questions about #309ddb

### What color is #309ddb?

#309ddb is bright sky blue. The closest named color is Blue Damselfly. In RGB it is rgb(48, 157, 219), in HSL hsl(201.75, 70.37%, 52.35%) and in OKLCH oklch(66.37% 0.13231 238.997).

### What colors go well with #309ddb?

The complementary color of #309ddb is #ce7d34. For a calmer combination use the analogous colors #00a8bf and #728ee4. The triadic partners are #d36e91 and #8b9e34.

### Is white or black text more readable on #309ddb?

Black text reads better on #309ddb: white gives a contrast ratio of 3.01:1 and black gives 6.97:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #309ddb a warm or cool color?

#309ddb is a cool color. In OKLCH its hue is 239 degrees, its lightness 66.4% and its chroma 0.132.
