Palettes / Colors / #331A18

#331A18 — Deep Muted Red

#331A18 is a red color we call Deep Muted Red, closest to the named color Black (#000000). It belongs to the red family.

Color name

Closest CSS keyword: black (#000000) — not an exact match. CSS black gives you #000000, a different color; use #331A18 when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#331A18 is a warm red color associated with energy, passion and urgency. 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 #183234; it also sits naturally between #341824 and #342818. 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 20% · Green 10% · Blue 9%

Cyan 0% · Magenta 49% · Yellow 53% · Key 80%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #331A18

.text { color: #331A18; }
.background { background-color: #331A18; }
.border { border: 3px solid #331A18; }
.text-rgb { color: rgb(51, 26, 24); }
.text-hsl { color: hsl(4, 36%, 15%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #331A18; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 26, 24, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #331A18; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 26, 24, 0.8); }

HTML: <p style="color:#331A18">Text here</p> · <div style="background-color:#331A18">Div content here</div>

Shades of #331A18

Tints of #331A18

Tones of #331A18

Color harmonies

Complementary — #183234:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #331A18: #FFFFFF.

Semi-transparent (opacity) text on #331A18

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #331A18 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 a similar color

These palettes use a close neighbour of #331A18 rather than the exact color:

Similar colors

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

Browse neighbouring colors

← #331A17  ·  #331A19 →

Frequently asked questions

What color is #331A18?

#331A18 is Deep Muted Red, a red color (RGB 51, 26, 24). Its closest standard named color is Black.

What is the RGB and HSL of #331A18?

#331A18 is RGB 51, 26, 24 — HSL 4°, 36%, 15% — CMYK 0%, 49%, 53%, 80%.

What colors go with #331A18?

Its complement is #183234; analogous partners are #341824 and #342818. It also appears in 6+ palettes in our collection.

Can I use #331A18 for text?

White text on #331A18 has a contrast ratio of 16.13:1 (passes WCAG AA); black text gives 1.30:1.