Palettes / Colors / #C00A0B

#C00A0B — Vivid Red

#C00A0B 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 #C00A0B 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.

#C00A0B 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 #0AC2C2; it also sits naturally between #C20A66 and #C2660A. 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 75% · Green 4% · Blue 4%

Cyan 0% · Magenta 95% · Yellow 94% · Key 25%

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

Previews

CSS code for #C00A0B

.text { color: #C00A0B; }
.background { background-color: #C00A0B; }
.border { border: 3px solid #C00A0B; }
.text-rgb { color: rgb(192, 10, 11); }
.text-hsl { color: hsl(360, 90%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #C00A0B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(192, 10, 11, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #C00A0B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(192, 10, 11, 0.8); }

HTML: <p style="color:#C00A0B">Text here</p> · <div style="background-color:#C00A0B">Div content here</div>

Shades of #C00A0B

Tints of #C00A0B

Tones of #C00A0B

Color harmonies

Complementary — #0AC2C2:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #C00A0B: #FFFFFF.

Semi-transparent (opacity) text on #C00A0B

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 #C00A0B 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 #C00A0B 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

← #C00A0A  ·  #C00A0C →

Frequently asked questions

What color is #C00A0B?

#C00A0B is Vivid Red, a red color (RGB 192, 10, 11). Its closest standard named color is FireBrick.

What is the RGB and HSL of #C00A0B?

#C00A0B is RGB 192, 10, 11 — HSL 360°, 90%, 40% — CMYK 0%, 95%, 94%, 25%.

What colors go with #C00A0B?

Its complement is #0AC2C2; analogous partners are #C20A66 and #C2660A. It also appears in 6+ palettes in our collection.

Can I use #C00A0B for text?

White text on #C00A0B has a contrast ratio of 6.38:1 (passes WCAG AA); black text gives 3.29:1.