#399bef color: Button Blue
#399bef is rgb(57, 155, 239) in RGB and oklch(67.21% 0.1536 248.452) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
- Ctrl Vpaste a color anywhere
- Spacerandom color
- Ccopy HEX
- Blue
- Medium
- Vivid
- Cool
- ≈ Azure
- 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 #399bef
#399bef is a bright blue color. In OKLCH it has 67.2% lightness, 0.154 chroma and a hue of 248°.
Inside sRGB: displays the same on any screen.
White text on it reaches 2.95:1 contrast and black text 7.11:1, so black text reads better.
The closest named color is Button Blue (#24a0ed). In Tailwind CSS the closest color is sky-500.
Lighter: #399bef mixed with white
Darker: #399bef mixed with black
Calmer: #399bef with less saturation
Similar named colors
Colors that go with #399bef
Questions about #399bef
What color is #399bef?
#399bef is bright blue. The closest named color is Button Blue. In RGB it is rgb(57, 155, 239), in HSL hsl(207.69, 85.05%, 58.04%) and in OKLCH oklch(67.21% 0.1536 248.452).
What colors go well with #399bef?
The complementary color of #399bef is #d28100. For a calmer combination use the analogous colors #00a9d0 and #8289f2. The triadic partners are #e26883 and #79a731.
Is white or black text more readable on #399bef?
Black text reads better on #399bef: white gives a contrast ratio of 2.95:1 and black gives 7.11:1. WCAG AA asks for at least 4.5:1 for body text.
Is #399bef a warm or cool color?
#399bef is a cool color. In OKLCH its hue is 248 degrees, its lightness 67.2% and its chroma 0.154.