#309bd4 color: Blue Burst
#309bd4 is rgb(48, 155, 212) in RGB and oklch(65.548% 0.12644 237.154) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- sky-500
- Black 17%
Inside sRGB: displays the same on any screen.
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About #309bd4
#309bd4 is a bright sky blue color. In OKLCH it has 65.5% lightness, 0.126 chroma and a hue of 237°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3.1:1 contrast and black text 6.76:1, so black text reads better.
The closest named color is Blue Burst (#309cd0). In Tailwind CSS the closest color is sky-500.
Lighter: #309bd4 mixed with white
Darker: #309bd4 mixed with black
Calmer: #309bd4 with less saturation
Similar named colors
Colors that go with #309bd4
Questions about #309bd4
What color is #309bd4?
#309bd4 is bright sky blue. The closest named color is Blue Burst. In RGB it is rgb(48, 155, 212), in HSL hsl(200.85, 65.6%, 50.98%) and in OKLCH oklch(65.548% 0.12644 237.154).
What colors go well with #309bd4?
The complementary color of #309bd4 is #ca7b3a. For a calmer combination use the analogous colors #00a5b8 and #6e8dde. The triadic partners are #cd6e92 and #8c9a35.
Is white or black text more readable on #309bd4?
Black text reads better on #309bd4: white gives a contrast ratio of 3.1:1 and black gives 6.76:1. WCAG AA asks for at least 4.5:1 for body text.
Is #309bd4 a warm or cool color?
#309bd4 is a cool color. In OKLCH its hue is 237 degrees, its lightness 65.5% and its chroma 0.126.