Palettes / Colors / #ED511B

#ED511B — Vivid Orange

#ED511B is a orange color we call Vivid Orange, closest to the named color OrangeRed (#FF4500). It belongs to the orange family.

Color name

Closest CSS keyword: orangered (#FF4500) — not an exact match. CSS orangered gives you #FF4500, a different color; use #ED511B 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.

#ED511B is a warm orange color associated with warmth, appetite and friendliness. 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 #1DB9ED; it also sits naturally between #ED1D51 and #EDB91D. 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 93% · Green 32% · Blue 11%

Cyan 0% · Magenta 66% · Yellow 89% · Key 7%

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

Previews

CSS code for #ED511B

.text { color: #ED511B; }
.background { background-color: #ED511B; }
.border { border: 3px solid #ED511B; }
.text-rgb { color: rgb(237, 81, 27); }
.text-hsl { color: hsl(15, 85%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #ED511B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(237, 81, 27, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #ED511B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(237, 81, 27, 0.8); }

HTML: <p style="color:#ED511B">Text here</p> · <div style="background-color:#ED511B">Div content here</div>

Shades of #ED511B

Tints of #ED511B

Tones of #ED511B

Color harmonies

Complementary — #1DB9ED:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #ED511B: #000000.

Semi-transparent (opacity) text on #ED511B

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 #ED511B 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 #ED511B 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

← #ED511A  ·  #ED511C →

Frequently asked questions

What color is #ED511B?

#ED511B is Vivid Orange, a orange color (RGB 237, 81, 27). Its closest standard named color is OrangeRed.

What is the RGB and HSL of #ED511B?

#ED511B is RGB 237, 81, 27 — HSL 15°, 85%, 52% — CMYK 0%, 66%, 89%, 7%.

What colors go with #ED511B?

Its complement is #1DB9ED; analogous partners are #ED1D51 and #EDB91D. It also appears in 6+ palettes in our collection.

Can I use #ED511B for text?

Black text on #ED511B has a contrast ratio of 5.79:1 (passes WCAG AA); white text gives 3.62:1.