#129bd9 color: Atmosphere
#129bd9 is rgb(18, 155, 217) in RGB and oklch(65.322% 0.13835 236.643) 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
- Medium
- Vivid
- Cool
- ≈ Steel blue
- sky-500
- Black 15%
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 #129bd9
#129bd9 is a bright sky blue color. In OKLCH it has 65.3% lightness, 0.138 chroma and a hue of 237°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3.13:1 contrast and black text 6.72:1, so black text reads better.
The closest named color is Atmosphere (#0099dd). In Tailwind CSS the closest color is sky-500.
Lighter: #129bd9 mixed with white
Darker: #129bd9 mixed with black
Calmer: #129bd9 with less saturation
Similar named colors
Colors that go with #129bd9
Questions about #129bd9
What color is #129bd9?
#129bd9 is bright sky blue. The closest named color is Atmosphere. In RGB it is rgb(18, 155, 217), in HSL hsl(198.69, 84.68%, 46.08%) and in OKLCH oklch(65.322% 0.13835 236.643).
What colors go well with #129bd9?
The complementary color of #129bd9 is #ce772d. For a calmer combination use the analogous colors #00a5b8 and #698ce4. The triadic partners are #d16992 and #8b9a22.
Is white or black text more readable on #129bd9?
Black text reads better on #129bd9: white gives a contrast ratio of 3.13:1 and black gives 6.72:1. WCAG AA asks for at least 4.5:1 for body text.
Is #129bd9 a warm or cool color?
#129bd9 is a cool color. In OKLCH its hue is 237 degrees, its lightness 65.3% and its chroma 0.138.