RGB to HEX: #042F2E

Also known as: Tailwind v3 teal-950

rgb(4 47 46) → #042F2E

Values are shown at full precision, so converting back gives exactly #042f2e. 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 = 4 = 0×16 + 4 → 04
G = 47 = 2×16 + 15 → 2F
B = 46 = 2×16 + 14 → 2E

2. pairs → HEX
```
04 2F 2E → #042F2E
```

All formats

HEX: #042f2e
RGB: rgb(4 47 46)
RGB (legacy): rgb(4, 47, 46)
HSL: hsl(178.60 84.31% 10.00%) → hsl(179 84% 10%)
HWB: hwb(179 2% 82%)
OKLCH: oklch(0.277 0.045 192.5) · oklch(27.7% 0.045 192.5)
OKLab: oklab(0.277 -0.044 -0.010)
Lab (D50): lab(16.65 -14.87 -3.71)
LCH (D50): lch(16.65 15.32 194.01)
Display P3: color(display-p3 0.0706 0.1811 0.1791)
Linear sRGB: color(srgb-linear 0.0012 0.0284 0.0273)

Gamut: sRGB and Display P3

#042F2E is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.048 and Display P3 reaches 0.064; this color uses 94% of the sRGB chroma available.

CSS snippets

.element {
  color: #042f2e;
  color: rgb(4 47 46);
  color: hsl(179 84% 10%);
  color: oklch(0.277 0.045 192.5);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.277 0.045 192.5);
}
/* arbitrary values */
class="text-[#042f2e] bg-[oklch(0.277_0.045_192.5)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.0706 0.1811 0.1791); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #042f2e 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

#173F3D · oklch(0.337 0.045 192.5) · ΔL +0.06
#00201F · oklch(0.217 0.045 192.5) · 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?