Palettes / Colors / #EF3453

#EF3453 — Vivid Red

#EF3453 is a red color we call Vivid Red, closest to the named color Crimson (#DC143C). It belongs to the red family.

Color name

Closest CSS keyword: crimson (#DC143C) — not an exact match. CSS crimson gives you #DC143C, a different color; use #EF3453 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.

#EF3453 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 #34EFCF; it also sits naturally between #EF34B0 and #EF7234. 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 94% · Green 20% · Blue 33%

Cyan 0% · Magenta 78% · Yellow 65% · Key 6%

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

Previews

CSS code for #EF3453

.text { color: #EF3453; }
.background { background-color: #EF3453; }
.border { border: 3px solid #EF3453; }
.text-rgb { color: rgb(239, 52, 83); }
.text-hsl { color: hsl(350, 85%, 57%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EF3453; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 52, 83, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EF3453; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 52, 83, 0.8); }

HTML: <p style="color:#EF3453">Text here</p> · <div style="background-color:#EF3453">Div content here</div>

Shades of #EF3453

Tints of #EF3453

Tones of #EF3453

Color harmonies

Complementary — #34EFCF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EF3453: #000000.

Semi-transparent (opacity) text on #EF3453

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 #EF3453 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 #EF3453 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

← #EF3452  ·  #EF3454 →

Frequently asked questions

What color is #EF3453?

#EF3453 is Vivid Red, a red color (RGB 239, 52, 83). Its closest standard named color is Crimson.

What is the RGB and HSL of #EF3453?

#EF3453 is RGB 239, 52, 83 — HSL 350°, 85%, 57% — CMYK 0%, 78%, 65%, 6%.

What colors go with #EF3453?

Its complement is #34EFCF; analogous partners are #EF34B0 and #EF7234. It also appears in 6+ palettes in our collection.

Can I use #EF3453 for text?

Black text on #EF3453 has a contrast ratio of 5.29:1 (passes WCAG AA); white text gives 3.97:1.