#51a5ea color: Cerulean
#51a5ea is rgb(81, 165, 234) in RGB and oklch(69.943% 0.13039 245.972) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- blue-400
- Black 8%
Inside sRGB: displays the same on any screen.
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About #51a5ea
#51a5ea is a bright sky blue color. In OKLCH it has 69.9% lightness, 0.13 chroma and a hue of 246°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.65:1 contrast and black text 7.92:1, so black text reads better.
The closest named color is Cerulean (#55aaee). In Tailwind CSS the closest color is blue-400.
Lighter: #51a5ea mixed with white
Darker: #51a5ea mixed with black
Calmer: #51a5ea with less saturation
Similar named colors
Colors that go with #51a5ea
Questions about #51a5ea
What color is #51a5ea?
#51a5ea is bright sky blue. The closest named color is Cerulean. In RGB it is rgb(81, 165, 234), in HSL hsl(207.06, 78.46%, 61.76%) and in OKLCH oklch(69.943% 0.13039 245.972).
What colors go well with #51a5ea?
The complementary color of #51a5ea is #d48c39. For a calmer combination use the analogous colors #00b1d2 and #8996ee. The triadic partners are #e17992 and #8aac4c.
Is white or black text more readable on #51a5ea?
Black text reads better on #51a5ea: white gives a contrast ratio of 2.65:1 and black gives 7.92:1. WCAG AA asks for at least 4.5:1 for body text.
Is #51a5ea a warm or cool color?
#51a5ea is a cool color. In OKLCH its hue is 246 degrees, its lightness 69.9% and its chroma 0.13.