Palettes / Colors / #EF1500

#EF1500 — Vivid Red

#EF1500 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 #EF1500 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.

#EF1500 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 #00DCF0; it also sits naturally between #F00064 and #F08C00. 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 8% · Blue 0%

Cyan 0% · Magenta 91% · Yellow 100% · Key 6%

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

Previews

CSS code for #EF1500

.text { color: #EF1500; }
.background { background-color: #EF1500; }
.border { border: 3px solid #EF1500; }
.text-rgb { color: rgb(239, 21, 0); }
.text-hsl { color: hsl(5, 100%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EF1500; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 21, 0, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EF1500; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 21, 0, 0.8); }

HTML: <p style="color:#EF1500">Text here</p> · <div style="background-color:#EF1500">Div content here</div>

Shades of #EF1500

Tints of #EF1500

Tones of #EF1500

Color harmonies

Complementary — #00DCF0:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EF1500: #000000.

Semi-transparent (opacity) text on #EF1500

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 #EF1500 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 #EF1500 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

← #EF14FF  ·  #EF1501 →

Frequently asked questions

What color is #EF1500?

#EF1500 is Vivid Red, a red color (RGB 239, 21, 0). Its closest standard named color is Red.

What is the RGB and HSL of #EF1500?

#EF1500 is RGB 239, 21, 0 — HSL 5°, 100%, 47% — CMYK 0%, 91%, 100%, 6%.

What colors go with #EF1500?

Its complement is #00DCF0; analogous partners are #F00064 and #F08C00. It also appears in 6+ palettes in our collection.

Can I use #EF1500 for text?

Black text on #EF1500 has a contrast ratio of 4.78:1 (passes WCAG AA); white text gives 4.40:1.