#51aef2 color: Cerulean
#51aef2 is rgb(81, 174, 242) in RGB and oklch(72.351% 0.13265 243.303) 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 5%
Inside sRGB: displays the same on any screen.
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About #51aef2
#51aef2 is a bright light sky blue color. In OKLCH it has 72.4% lightness, 0.133 chroma and a hue of 243°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.42:1 contrast and black text 8.69:1, so black text reads better.
The closest named color is Cerulean (#55aaee). In Tailwind CSS the closest color is sky-400.
Lighter: #51aef2 mixed with white
Darker: #51aef2 mixed with black
Calmer: #51aef2 with less saturation
Similar named colors
Colors that go with #51aef2
Questions about #51aef2
What color is #51aef2?
#51aef2 is bright light sky blue. The closest named color is Cerulean. In RGB it is rgb(81, 174, 242), in HSL hsl(205.34, 86.1%, 63.33%) and in OKLCH oklch(72.351% 0.13265 243.303).
What colors go well with #51aef2?
The complementary color of #51aef2 is #df9242. For a calmer combination use the analogous colors #00bad7 and #8b9ff9. The triadic partners are #e9809d and #96b34e.
Is white or black text more readable on #51aef2?
Black text reads better on #51aef2: white gives a contrast ratio of 2.42:1 and black gives 8.69:1. WCAG AA asks for at least 4.5:1 for body text.
Is #51aef2 a warm or cool color?
#51aef2 is a cool color. In OKLCH its hue is 243 degrees, its lightness 72.4% and its chroma 0.133.