Palettes / Colors / #FB0803

#FB0803 — Vivid Red

#FB0803 is a red color we call Vivid Red, closest to the named color Red (#FF0000). It belongs to the red family.

Color name

Closest CSS keyword: red (#FF0000) — not an exact match. CSS red gives you #FF0000, a different color; use #FB0803 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.

#FB0803 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 #03F8FC; it also sits naturally between #FC037B and #FC8403. 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 98% · Green 3% · Blue 1%

Cyan 0% · Magenta 97% · Yellow 99% · Key 2%

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

Previews

CSS code for #FB0803

.text { color: #FB0803; }
.background { background-color: #FB0803; }
.border { border: 3px solid #FB0803; }
.text-rgb { color: rgb(251, 8, 3); }
.text-hsl { color: hsl(1, 98%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #FB0803; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(251, 8, 3, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #FB0803; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(251, 8, 3, 0.8); }

HTML: <p style="color:#FB0803">Text here</p> · <div style="background-color:#FB0803">Div content here</div>

Shades of #FB0803

Tints of #FB0803

Tones of #FB0803

Color harmonies

Complementary — #03F8FC:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #FB0803: #000000.

Semi-transparent (opacity) text on #FB0803

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 #FB0803 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 #FB0803 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

← #FB0802  ·  #FB0804 →

Frequently asked questions

What color is #FB0803?

#FB0803 is Vivid Red, a red color (RGB 251, 8, 3). Its closest standard named color is Red.

What is the RGB and HSL of #FB0803?

#FB0803 is RGB 251, 8, 3 — HSL 1°, 98%, 50% — CMYK 0%, 97%, 99%, 2%.

What colors go with #FB0803?

Its complement is #03F8FC; analogous partners are #FC037B and #FC8403. It also appears in 6+ palettes in our collection.

Can I use #FB0803 for text?

Black text on #FB0803 has a contrast ratio of 5.14:1 (passes WCAG AA); white text gives 4.09:1.