Palettes / Colors / #2B312F

#2B312F — Charcoal

#2B312F is a gray color we call Charcoal, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the gray family.

#2B312F is a neutral gray color associated with neutrality and professionalism. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.

Its strongest partner is its complement #312B2D; it also sits naturally between #2B312C and #2B3031. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 17% · Green 19% · Blue 18%

Cyan 12% · Magenta 0% · Yellow 4% · Key 81%

Previews

CSS code for #2B312F

.text { color: #2B312F; }
.background { background-color: #2B312F; }
.border { border: 3px solid #2B312F; }
.text-rgb { color: rgb(43, 49, 47); }
.text-hsl { color: hsl(160, 7%, 18%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #2B312F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(43, 49, 47, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #2B312F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(43, 49, 47, 0.8); }

HTML: <p style="color:#2B312F">Text here</p> · <div style="background-color:#2B312F">Div content here</div>

Shades of #2B312F

Tints of #2B312F

Tones of #2B312F

Color harmonies

Complementary — #312B2D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #2B312F: #FFFFFF.

How #2B312F looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with #2B312F or a close neighbour

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #2B312E  ·  #2B3130 →

Frequently asked questions

What color is #2B312F?

#2B312F is Charcoal, a gray color (RGB 43, 49, 47). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #2B312F?

#2B312F is RGB 43, 49, 47 — HSL 160°, 7%, 18% — CMYK 12%, 0%, 4%, 81%.

What colors go with #2B312F?

Its complement is #312B2D; analogous partners are #2B312C and #2B3031. It also appears in 6+ palettes in our collection.

Can I use #2B312F for text?

White text on #2B312F has a contrast ratio of 13.27:1 (passes WCAG AA); black text gives 1.58:1.