CSS named color
LightBlue #ADD8E6
LightBlue is a light cyan with the hex code #ADD8E6, which converts to rgb(173, 216, 230). Open #ADD8E6 in the converter to tweak it.
LightBlue color values
| HEX | #ADD8E6 |
|---|---|
| HEX (shorthand) | — |
| RGB | rgb(173, 216, 230) |
| RGBA | rgba(173, 216, 230, 1) |
| 8-digit HEX | #ADD8E6FF |
| HSL | hsl(195, 53%, 79%) |
| HSV / HSB | 195°, 25%, 90% |
| CMYK | 25%, 6%, 0%, 10% |
| RGB 0–1 | 0.678, 0.847, 0.902 |
| Decimal | 11393254 |
| CSS keyword | lightblue |
How #ADD8E6 converts to RGB
Split the hex code into three pairs and read each pair as a base-16 number: AD → 173, D8 → 216, E6 → 230. That gives rgb(173, 216, 230). The step-by-step guide explains the math.
Shades of LightBlue
Mixed toward black in 10% steps. Click a swatch to copy its hex.
Tints of LightBlue
Mixed toward white in 10% steps.
Color harmonies
Hue rotations of LightBlue on the HSL color wheel, keeping saturation and lightness fixed. The color harmony guide explains when each scheme works.
Complementary
Analogous
Split-complementary
Triadic
Tetradic (square)
Contrast and accessibility
| Text | Background | Ratio | WCAG 2.x |
|---|---|---|---|
| White | LightBlue | 1.52:1 | Fail |
| Black | LightBlue | 13.74:1 | AAA |
Use black text on a lightblue background. Test any other pair in the contrast checker; thresholds are explained in the WCAG contrast guide.
Use LightBlue in CSS
.element {
color: lightblue; /* keyword */
background-color: #ADD8E6; /* hex */
border-color: rgb(173 216 230 / 50%); /* 50% transparent */
}Need it semi-transparent? Append an alpha byte: #ADD8E680 is LightBlue at 50% opacity. See RGBA & transparency.
Similar named colors
FAQ
What is the HEX code for LightBlue?
The CSS named color lightblue is #ADD8E6 in hexadecimal. In CSS you can write color: lightblue; or color: #ADD8E6; — both produce the same pixel.
What is LightBlue in RGB?
LightBlue is rgb(173, 216, 230): red 173, green 216, blue 230 on the 0–255 scale. As normalized 0–1 floats that is (0.678, 0.847, 0.902).
Is white or black text more readable on LightBlue?
Black text is more readable. White on #ADD8E6 has a contrast ratio of 1.52:1 (Fail), black on #ADD8E6 has 13.74:1 (AAA). WCAG AA needs 4.5:1 for normal text.