#309fd1 color: Blue Burst
#309fd1 is rgb(48, 159, 209) in RGB and oklch(66.342% 0.12126 232.804) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
- Ctrl Vpaste a color anywhere
- Spacerandom color
- Ccopy HEX
- Sky blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- sky-500
- Black 18%
Inside sRGB: displays the same on any screen.
Shades
From lightest to darkest. Click a shade to use it.
Harmonies
Open as paletteRecent
Colors you stop on or copy appear here. They stay on this device.
About #309fd1
#309fd1 is a bright sky blue color. In OKLCH it has 66.3% lightness, 0.121 chroma and a hue of 233°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3:1 contrast and black text 7.01:1, so black text reads better.
The closest named color is Blue Burst (#309cd0). In Tailwind CSS the closest color is sky-500.
Lighter: #309fd1 mixed with white
Darker: #309fd1 mixed with black
Calmer: #309fd1 with less saturation
Similar named colors
Colors that go with #309fd1
Questions about #309fd1
What color is #309fd1?
#309fd1 is bright sky blue. The closest named color is Blue Burst. In RGB it is rgb(48, 159, 209), in HSL hsl(198.63, 63.64%, 50.39%) and in OKLCH oklch(66.342% 0.12126 232.804).
What colors go well with #309fd1?
The complementary color of #309fd1 is #cd7c47. For a calmer combination use the analogous colors #00a8b4 and #6b92de. The triadic partners are #cb729a and #949b38.
Is white or black text more readable on #309fd1?
Black text reads better on #309fd1: white gives a contrast ratio of 3:1 and black gives 7.01:1. WCAG AA asks for at least 4.5:1 for body text.
Is #309fd1 a warm or cool color?
#309fd1 is a cool color. In OKLCH its hue is 233 degrees, its lightness 66.3% and its chroma 0.121.