RGB to HEX: #000080

Also known as: CSS navy

rgb(0 0 128) → #000080

Values are shown at full precision, so converting back gives exactly #000080. 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 = 0 = 0×16 + 0 → 00
B = 128 = 8×16 + 0 → 80

2. pairs → HEX
```
00 00 80 → #000080
```

All formats

HEX: #000080
RGB: rgb(0 0 128)
RGB (legacy): rgb(0, 0, 128)
HSL: hsl(240.00 100.00% 25.10%) → hsl(240 100% 25%)
HWB: hwb(240 0% 50%)
OKLCH: oklch(0.271 0.188 264.1) · oklch(27.1% 0.188 264.1)
OKLab: oklab(0.271 -0.019 -0.187)
Lab (D50): lab(11.34 40.96 -67.20)
LCH (D50): lch(11.34 78.70 301.36)
Display P3: color(display-p3 0.0000 0.0000 0.4806)
Linear sRGB: color(srgb-linear 0.0000 0.0000 0.2159)

Gamut: sRGB and Display P3

#000080 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.159 and Display P3 reaches 0.188; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #000080;
  color: rgb(0 0 128);
  color: hsl(240 100% 25%);
  color: oklch(0.271 0.188 264.1);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.271 0.188 264.1);
}
/* arbitrary values */
class="text-[#000080] bg-[oklch(0.271_0.188_264.1)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.0000 0.0000 0.4806); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #000080 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

#011F94 · oklch(0.331 0.188 264.1) · ΔL +0.06
#05006D · oklch(0.211 0.188 264.1) · 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?