#40b5ef color: Zima Blue
#40b5ef is rgb(64, 181, 239) in RGB and oklch(73.28% 0.1321 234.594) 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
- ≈ Sky blue
- sky-400
- 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 #40b5ef
#40b5ef is a bright light sky blue color. In OKLCH it has 73.3% lightness, 0.132 chroma and a hue of 235°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.31:1 contrast and black text 9.07:1, so black text reads better.
The closest named color is Zima Blue (#16b8f3). In Tailwind CSS the closest color is sky-400.
Lighter: #40b5ef mixed with white
Darker: #40b5ef mixed with black
Calmer: #40b5ef with less saturation
Similar named colors
Colors that go with #40b5ef
Questions about #40b5ef
What color is #40b5ef?
#40b5ef is bright light sky blue. The closest named color is Zima Blue. In RGB it is rgb(64, 181, 239), in HSL hsl(199.89, 84.54%, 59.41%) and in OKLCH oklch(73.28% 0.1321 234.594).
What colors go well with #40b5ef?
The complementary color of #40b5ef is #e89051. For a calmer combination use the analogous colors #00c0cf and #7fa6fc. The triadic partners are #e884ad and #a7b246.
Is white or black text more readable on #40b5ef?
Black text reads better on #40b5ef: white gives a contrast ratio of 2.31:1 and black gives 9.07:1. WCAG AA asks for at least 4.5:1 for body text.
Is #40b5ef a warm or cool color?
#40b5ef is a cool color. In OKLCH its hue is 235 degrees, its lightness 73.3% and its chroma 0.132.