#21ade4 color: Royal Peacock
#21ade4 is rgb(33, 173, 228) in RGB and oklch(70.288% 0.13538 231.404) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
- Ctrl Vpaste a color anywhere
- Spacerandom color
- Ccopy HEX
- Sky blue
- Light
- Vivid
- Cool
- ≈ Steel blue
- sky-500
- Black 11%
Inside sRGB: displays the same on any screen.
Shades
From lightest to darkest. Click a shade to use it.
Harmonies
Open as paletteRecent
Colors you stop on or copy appear here. They stay on this device.
About #21ade4
#21ade4 is a bright light sky blue color. In OKLCH it has 70.3% lightness, 0.135 chroma and a hue of 231°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.57:1 contrast and black text 8.16:1, so black text reads better.
The closest named color is Royal Peacock (#27ace0). In Tailwind CSS the closest color is sky-500.
Lighter: #21ade4 mixed with white
Darker: #21ade4 mixed with black
Calmer: #21ade4 with less saturation
Similar named colors
Colors that go with #21ade4
Questions about #21ade4
What color is #21ade4?
#21ade4 is bright light sky blue. The closest named color is Royal Peacock. In RGB it is rgb(33, 173, 228), in HSL hsl(196.92, 78.31%, 51.18%) and in OKLCH oklch(70.288% 0.13538 231.404).
What colors go well with #21ade4?
The complementary color of #21ade4 is #e1844a. For a calmer combination use the analogous colors #00b7c2 and #6f9ef3. The triadic partners are #de7aa9 and #a3a733.
Is white or black text more readable on #21ade4?
Black text reads better on #21ade4: white gives a contrast ratio of 2.57:1 and black gives 8.16:1. WCAG AA asks for at least 4.5:1 for body text.
Is #21ade4 a warm or cool color?
#21ade4 is a cool color. In OKLCH its hue is 231 degrees, its lightness 70.3% and its chroma 0.135.