RGB to HEX: #00BCFF

Also known as: Tailwind sky-400

rgb(0 188 255) → #00BCFF

Values are shown at full precision, so converting back gives exactly #00bcff. The rounded form is what you normally paste into CSS.

Step-by-step math

Every number below is computed from the input, nothing is looked up.

1. base 10 → base 16

R = 0 = 0×16 + 0 → 00
G = 188 = 11×16 + 12 → BC
B = 255 = 15×16 + 15 → FF

2. pairs → HEX
```
00 BC FF → #00BCFF
```

All formats

HEX: #00bcff
RGB: rgb(0 188 255)
RGB (legacy): rgb(0, 188, 255)
HSL: hsl(195.76 100.00% 50.00%) → hsl(196 100% 50%)
HWB: hwb(196 0% 0%)
OKLCH: oklch(0.748 0.155 233.3) · oklch(74.8% 0.155 233.3)
OKLab: oklab(0.748 -0.093 -0.124)
Lab (D50): lab(70.95 -22.67 -44.93)
LCH (D50): lch(70.95 50.33 243.23)
Display P3: color(display-p3 0.3305 0.7262 0.9763)
Linear sRGB: color(srgb-linear 0.0000 0.5029 1.0000)

Gamut: sRGB and Display P3

#00BCFF is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.155 and Display P3 reaches 0.168; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #00bcff;
  color: rgb(0 188 255);
  color: hsl(196 100% 50%);
  color: oklch(0.748 0.155 233.3);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.748 0.155 233.3);
}
/* arbitrary values */
class="text-[#00bcff] bg-[oklch(0.748_0.155_233.3)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.3305 0.7262 0.9763); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #00bcff calc(l - 0.1) c h); }

Nearby colors

Closest colors in the Tailwind and CSS named palettes (OKLab distance).

Lighter and darker, same hue and chroma

#34D0FF · oklch(0.808 0.155 233.3) · ΔL +0.06
#00A9EB · oklch(0.688 0.155 233.3) · ΔL −0.06

Open in the studio

Open in the OKLCH picker Check contrast on white

Other converters for this color

All converters →

Guides: What is OKLCH?