Palettes / Colors / #F55151

#F55151 — Vivid Red

#F55151 is a red color we call Vivid Red, closest to the named color Tomato (#FF6347). It belongs to the red family.

Color name

Closest CSS keyword: tomato (#FF6347) — not an exact match. CSS tomato gives you #FF6347, a different color; use #F55151 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.

#F55151 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 #51F5F5; it also sits naturally between #F551A3 and #F5A351. 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 96% · Green 32% · Blue 32%

Cyan 0% · Magenta 67% · Yellow 67% · Key 4%

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

Previews

CSS code for #F55151

.text { color: #F55151; }
.background { background-color: #F55151; }
.border { border: 3px solid #F55151; }
.text-rgb { color: rgb(245, 81, 81); }
.text-hsl { color: hsl(0, 89%, 64%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #F55151; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(245, 81, 81, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #F55151; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(245, 81, 81, 0.8); }

HTML: <p style="color:#F55151">Text here</p> · <div style="background-color:#F55151">Div content here</div>

Shades of #F55151

Tints of #F55151

Tones of #F55151

Color harmonies

Complementary — #51F5F5:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #F55151: #000000.

Semi-transparent (opacity) text on #F55151

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 #F55151 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 #F55151 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

← #F55150  ·  #F55152 →

Frequently asked questions

What color is #F55151?

#F55151 is Vivid Red, a red color (RGB 245, 81, 81). Its closest standard named color is Tomato.

What is the RGB and HSL of #F55151?

#F55151 is RGB 245, 81, 81 — HSL 0°, 89%, 64% — CMYK 0%, 67%, 67%, 4%.

What colors go with #F55151?

Its complement is #51F5F5; analogous partners are #F551A3 and #F5A351. It also appears in 6+ palettes in our collection.

Can I use #F55151 for text?

Black text on #F55151 has a contrast ratio of 6.18:1 (passes WCAG AA); white text gives 3.40:1.