#40a9ef color: Cerulean
#40a9ef is rgb(64, 169, 239) in RGB and oklch(70.547% 0.13966 242.076) 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 6%
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 #40a9ef
#40a9ef is a bright light sky blue color. In OKLCH it has 70.5% lightness, 0.14 chroma and a hue of 242°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.58:1 contrast and black text 8.14:1, so black text reads better.
The closest named color is Cerulean (#55aaee). In Tailwind CSS the closest color is sky-500.
Lighter: #40a9ef mixed with white
Darker: #40a9ef mixed with black
Calmer: #40a9ef with less saturation
Similar named colors
Colors that go with #40a9ef
Questions about #40a9ef
What color is #40a9ef?
#40a9ef is bright light sky blue. The closest named color is Cerulean. In RGB it is rgb(64, 169, 239), in HSL hsl(204, 84.54%, 59.41%) and in OKLCH oklch(70.547% 0.13966 242.076).
What colors go well with #40a9ef?
The complementary color of #40a9ef is #dd8a35. For a calmer combination use the analogous colors #00b6d2 and #8299f7. The triadic partners are #e67899 and #92ad3f.
Is white or black text more readable on #40a9ef?
Black text reads better on #40a9ef: white gives a contrast ratio of 2.58:1 and black gives 8.14:1. WCAG AA asks for at least 4.5:1 for body text.
Is #40a9ef a warm or cool color?
#40a9ef is a cool color. In OKLCH its hue is 242 degrees, its lightness 70.5% and its chroma 0.14.