Palettes / Colors / #AF331B

#AF331B — Red

#AF331B is a red color we call Red, closest to the named color FireBrick (#B22222). It belongs to the red family.

Color name

Closest CSS keyword: firebrick (#B22222) — not an exact match. CSS firebrick gives you #B22222, a different color; use #AF331B 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.

#AF331B is a warm red color associated with energy, passion and urgency. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #1C98B0; it also sits naturally between #B01C4D and #B07F1C. 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 69% · Green 20% · Blue 11%

Cyan 0% · Magenta 71% · Yellow 85% · Key 31%

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

Previews

CSS code for #AF331B

.text { color: #AF331B; }
.background { background-color: #AF331B; }
.border { border: 3px solid #AF331B; }
.text-rgb { color: rgb(175, 51, 27); }
.text-hsl { color: hsl(10, 73%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #AF331B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(175, 51, 27, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #AF331B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(175, 51, 27, 0.8); }

HTML: <p style="color:#AF331B">Text here</p> · <div style="background-color:#AF331B">Div content here</div>

Shades of #AF331B

Tints of #AF331B

Tones of #AF331B

Color harmonies

Complementary — #1C98B0:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #AF331B: #FFFFFF.

Semi-transparent (opacity) text on #AF331B

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 #AF331B 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 #AF331B 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

← #AF331A  ·  #AF331C →

Frequently asked questions

What color is #AF331B?

#AF331B is Red, a red color (RGB 175, 51, 27). Its closest standard named color is FireBrick.

What is the RGB and HSL of #AF331B?

#AF331B is RGB 175, 51, 27 — HSL 10°, 73%, 40% — CMYK 0%, 71%, 85%, 31%.

What colors go with #AF331B?

Its complement is #1C98B0; analogous partners are #B01C4D and #B07F1C. It also appears in 6+ palettes in our collection.

Can I use #AF331B for text?

White text on #AF331B has a contrast ratio of 6.34:1 (passes WCAG AA); black text gives 3.31:1.