Palettes / Colors / #CD181F

#CD181F — Vivid Red

#CD181F is a red color we call Vivid 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 #CD181F 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.

#CD181F 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 #18CDC7; it also sits naturally between #CD1879 and #CD6D18. 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 80% · Green 9% · Blue 12%

Cyan 0% · Magenta 88% · Yellow 85% · Key 20%

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

Previews

CSS code for #CD181F

.text { color: #CD181F; }
.background { background-color: #CD181F; }
.border { border: 3px solid #CD181F; }
.text-rgb { color: rgb(205, 24, 31); }
.text-hsl { color: hsl(358, 79%, 45%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CD181F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(205, 24, 31, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CD181F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(205, 24, 31, 0.8); }

HTML: <p style="color:#CD181F">Text here</p> · <div style="background-color:#CD181F">Div content here</div>

Shades of #CD181F

Tints of #CD181F

Tones of #CD181F

Color harmonies

Complementary — #18CDC7:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CD181F: #FFFFFF.

Semi-transparent (opacity) text on #CD181F

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 #CD181F 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 #CD181F 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

← #CD181E  ·  #CD1820 →

Frequently asked questions

What color is #CD181F?

#CD181F is Vivid Red, a red color (RGB 205, 24, 31). Its closest standard named color is FireBrick.

What is the RGB and HSL of #CD181F?

#CD181F is RGB 205, 24, 31 — HSL 358°, 79%, 45% — CMYK 0%, 88%, 85%, 20%.

What colors go with #CD181F?

Its complement is #18CDC7; analogous partners are #CD1879 and #CD6D18. It also appears in 6+ palettes in our collection.

Can I use #CD181F for text?

White text on #CD181F has a contrast ratio of 5.61:1 (passes WCAG AA); black text gives 3.75:1.