#21b3dc color: Blue Atoll
#21b3dc is rgb(33, 179, 220) in RGB and oklch(71.339% 0.12683 223.09) 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 14%
Inside sRGB: displays the same on any screen.
Shades
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About #21b3dc
#21b3dc is a bright light sky blue color. In OKLCH it has 71.3% lightness, 0.127 chroma and a hue of 223°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.46:1 contrast and black text 8.55:1, so black text reads better.
The closest named color is Blue Atoll (#00b3e1). In Tailwind CSS the closest color is cyan-500.
Lighter: #21b3dc mixed with white
Darker: #21b3dc mixed with black
Calmer: #21b3dc with less saturation
Similar named colors
Colors that go with #21b3dc
Questions about #21b3dc
What color is #21b3dc?
#21b3dc is bright light sky blue. The closest named color is Blue Atoll. In RGB it is rgb(33, 179, 220), in HSL hsl(193.16, 73.91%, 49.61%) and in OKLCH oklch(71.339% 0.12683 223.09).
What colors go well with #21b3dc?
The complementary color of #21b3dc is #e4865f. For a calmer combination use the analogous colors #00bbb8 and #66a6f0. The triadic partners are #d981b7 and #b1a53a.
Is white or black text more readable on #21b3dc?
Black text reads better on #21b3dc: white gives a contrast ratio of 2.46:1 and black gives 8.55:1. WCAG AA asks for at least 4.5:1 for body text.
Is #21b3dc a warm or cool color?
#21b3dc is a cool color. In OKLCH its hue is 223 degrees, its lightness 71.3% and its chroma 0.127.