Palettes / Colors / #FF4545

#FF4545 — Vivid Red

#FF4545 is a red color we call Vivid Red, closest to the named color Tomato (#FF6347). It belongs to the red family.

#FF4545 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 #47FFFF; it also sits naturally between #FF47A3 and #FFA347. 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 100% · Green 27% · Blue 27%

Cyan 0% · Magenta 73% · Yellow 73% · Key 0%

Previews

CSS code for #FF4545

.text { color: #FF4545; }
.background { background-color: #FF4545; }
.border { border: 3px solid #FF4545; }
.text-rgb { color: rgb(255, 69, 69); }
.text-hsl { color: hsl(0, 100%, 64%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #FF4545; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(255, 69, 69, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #FF4545; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(255, 69, 69, 0.8); }

HTML: <p style="color:#FF4545">Text here</p> · <div style="background-color:#FF4545">Div content here</div>

Shades of #FF4545

Tints of #FF4545

Tones of #FF4545

Color harmonies

Complementary — #47FFFF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #FF4545: #000000.

How #FF4545 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 #FF4545

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #FF4544  ·  #FF4546 →

Frequently asked questions

What color is #FF4545?

#FF4545 is Vivid Red, a red color (RGB 255, 69, 69). Its closest standard named color is Tomato.

What is the RGB and HSL of #FF4545?

#FF4545 is RGB 255, 69, 69 — HSL 0°, 100%, 64% — CMYK 0%, 73%, 73%, 0%.

What colors go with #FF4545?

Its complement is #47FFFF; analogous partners are #FF47A3 and #FFA347. It also appears in 6+ palettes in our collection.

Can I use #FF4545 for text?

Black text on #FF4545 has a contrast ratio of 6.19:1 (passes WCAG AA); white text gives 3.39:1.