Palettes / Colors / #B4530F

#B4530F — Vivid Orange

#B4530F is a orange color we call Vivid Orange, closest to the named color Sienna (#A0522D). It belongs to the orange family.

Color name

Closest CSS keyword: sienna (#A0522D) — not an exact match. CSS sienna gives you #A0522D, a different color; use #B4530F 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.

#B4530F 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 #0F6FB3; it also sits naturally between #B30F1C and #B3A60F. 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 71% · Green 33% · Blue 6%

Cyan 0% · Magenta 54% · Yellow 92% · Key 29%

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

Previews

CSS code for #B4530F

.text { color: #B4530F; }
.background { background-color: #B4530F; }
.border { border: 3px solid #B4530F; }
.text-rgb { color: rgb(180, 83, 15); }
.text-hsl { color: hsl(25, 85%, 38%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #B4530F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(180, 83, 15, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #B4530F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(180, 83, 15, 0.8); }

HTML: <p style="color:#B4530F">Text here</p> · <div style="background-color:#B4530F">Div content here</div>

Shades of #B4530F

Tints of #B4530F

Tones of #B4530F

Color harmonies

Complementary — #0F6FB3:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #B4530F: #FFFFFF.

Semi-transparent (opacity) text on #B4530F

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 #B4530F 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 #B4530F 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

← #B4530E  ·  #B45310 →

Frequently asked questions

What color is #B4530F?

#B4530F is Vivid Orange, a orange color (RGB 180, 83, 15). Its closest standard named color is Sienna.

What is the RGB and HSL of #B4530F?

#B4530F is RGB 180, 83, 15 — HSL 25°, 85%, 38% — CMYK 0%, 54%, 92%, 29%.

What colors go with #B4530F?

Its complement is #0F6FB3; analogous partners are #B30F1C and #B3A60F. It also appears in 6+ palettes in our collection.

Can I use #B4530F for text?

White text on #B4530F has a contrast ratio of 5.02:1 (passes WCAG AA); black text gives 4.18:1.