#21b3df color: Blue Atoll
#21b3df is rgb(33, 179, 223) in RGB and oklch(71.473% 0.12894 224.788) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Light
- Vivid
- Cool
- ≈ Sky blue
- cyan-500
- Black 13%
Inside sRGB: displays the same on any screen.
Shades
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About #21b3df
#21b3df is a bright light sky blue color. In OKLCH it has 71.5% lightness, 0.129 chroma and a hue of 225°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.45:1 contrast and black text 8.58:1, so black text reads better.
The closest named color is Blue Atoll (#00b3e1). In Tailwind CSS the closest color is cyan-500.
Lighter: #21b3df mixed with white
Darker: #21b3df mixed with black
Calmer: #21b3df with less saturation
Similar named colors
Colors that go with #21b3df
Questions about #21b3df
What color is #21b3df?
#21b3df is bright light sky blue. The closest named color is Blue Atoll. In RGB it is rgb(33, 179, 223), in HSL hsl(193.89, 74.8%, 50.2%) and in OKLCH oklch(71.473% 0.12894 224.788).
What colors go well with #21b3df?
The complementary color of #21b3df is #e5875c. For a calmer combination use the analogous colors #00bbbb and #69a6f2. The triadic partners are #db80b6 and #b0a739.
Is white or black text more readable on #21b3df?
Black text reads better on #21b3df: white gives a contrast ratio of 2.45:1 and black gives 8.58:1. WCAG AA asks for at least 4.5:1 for body text.
Is #21b3df a warm or cool color?
#21b3df is a cool color. In OKLCH its hue is 225 degrees, its lightness 71.5% and its chroma 0.129.