#21b9fa color: Blue Bolt
#21b9fa is rgb(33, 185, 250) in RGB and oklch(74.145% 0.14865 234.013) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Light
- Vivid
- Cool
- ≈ Sky blue
- sky-400
- Black 2%
Inside sRGB: displays the same on any screen.
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About #21b9fa
#21b9fa is a bright light sky blue color. In OKLCH it has 74.1% lightness, 0.149 chroma and a hue of 234°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.24:1 contrast and black text 9.38:1, so black text reads better.
The closest named color is Blue Bolt (#00b9fb). In Tailwind CSS the closest color is sky-400.
Lighter: #21b9fa mixed with white
Darker: #21b9fa mixed with black
Calmer: #21b9fa with less saturation
Similar named colors
Colors that go with #21b9fa
Questions about #21b9fa
What color is #21b9fa?
#21b9fa is bright light sky blue. The closest named color is Blue Bolt. In RGB it is rgb(33, 185, 250), in HSL hsl(197.97, 95.59%, 55.49%) and in OKLCH oklch(74.145% 0.14865 234.013).
What colors go well with #21b9fa?
The complementary color of #21b9fa is #f28e46. For a calmer combination use the analogous colors #00c5d5 and #7ba8ff. The triadic partners are #f280b2 and #abb533.
Is white or black text more readable on #21b9fa?
Black text reads better on #21b9fa: white gives a contrast ratio of 2.24:1 and black gives 9.38:1. WCAG AA asks for at least 4.5:1 for body text.
Is #21b9fa a warm or cool color?
#21b9fa is a cool color. In OKLCH its hue is 234 degrees, its lightness 74.1% and its chroma 0.149.