Palettes / Colors / #A40407

#A40407 — Vivid Red

#A40407 is a red color we call Vivid Red, closest to the named color DarkRed (#8B0000). It belongs to the red family.

Color name

Closest CSS keyword: darkred (#8B0000) — not an exact match. CSS darkred gives you #8B0000, a different color; use #A40407 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.

#A40407 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 #04A4A1; it also sits naturally between #A40457 and #A45104. 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 64% · Green 2% · Blue 3%

Cyan 0% · Magenta 98% · Yellow 96% · Key 36%

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

Previews

CSS code for #A40407

.text { color: #A40407; }
.background { background-color: #A40407; }
.border { border: 3px solid #A40407; }
.text-rgb { color: rgb(164, 4, 7); }
.text-hsl { color: hsl(359, 95%, 33%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #A40407; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(164, 4, 7, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #A40407; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(164, 4, 7, 0.8); }

HTML: <p style="color:#A40407">Text here</p> · <div style="background-color:#A40407">Div content here</div>

Shades of #A40407

Tints of #A40407

Tones of #A40407

Color harmonies

Complementary — #04A4A1:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #A40407: #FFFFFF.

Semi-transparent (opacity) text on #A40407

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 #A40407 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 #A40407 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

← #A40406  ·  #A40408 →

Frequently asked questions

What color is #A40407?

#A40407 is Vivid Red, a red color (RGB 164, 4, 7). Its closest standard named color is DarkRed.

What is the RGB and HSL of #A40407?

#A40407 is RGB 164, 4, 7 — HSL 359°, 95%, 33% — CMYK 0%, 98%, 96%, 36%.

What colors go with #A40407?

Its complement is #04A4A1; analogous partners are #A40457 and #A45104. It also appears in 6+ palettes in our collection.

Can I use #A40407 for text?

White text on #A40407 has a contrast ratio of 8.08:1 (passes WCAG AA); black text gives 2.60:1.