RGB to HEX: #00B8DB

Also known as: Tailwind cyan-500

rgb(0 184 219) → #00B8DB

Values are shown at full precision, so converting back gives exactly #00b8db. 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 = 184 = 11×16 + 8 → B8
B = 219 = 13×16 + 11 → DB

2. pairs → HEX
```
00 B8 DB → #00B8DB
```

All formats

HEX: #00b8db
RGB: rgb(0 184 219)
RGB (legacy): rgb(0, 184, 219)
HSL: hsl(189.59 100.00% 42.94%) → hsl(190 100% 43%)
HWB: hwb(190 0% 14%)
OKLCH: oklch(0.722 0.130 218.0) · oklch(72.2% 0.130 218.0)
OKLab: oklab(0.722 -0.102 -0.080)
Lab (D50): lab(68.50 -30.80 -29.27)
LCH (D50): lch(68.50 42.49 223.54)
Display P3: color(display-p3 0.3229 0.7107 0.8432)
Linear sRGB: color(srgb-linear 0.0000 0.4793 0.7084)

Gamut: sRGB and Display P3

#00B8DB is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.130 and Display P3 reaches 0.172; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #00b8db;
  color: rgb(0 184 219);
  color: hsl(190 100% 43%);
  color: oklch(0.722 0.130 218.0);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.722 0.130 218.0);
}
/* arbitrary values */
class="text-[#00b8db] bg-[oklch(0.722_0.130_218.0)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.3229 0.7107 0.8432); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #00b8db 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

#34CCEF · oklch(0.782 0.130 218.0) · ΔL +0.06
#00A5C7 · oklch(0.662 0.130 218.0) · 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?