#B45309 color
The swatch above shows #B45309 with its hex code written on it in white and in black, so you can see which of the two is legible before reading the measured ratios below.
#B45309 is a dark, vivid orange, closest to the CSS named color sienna (#A0522D).
It is also a Tailwind CSS default: amber-700. That means you can write bg-amber-700 or text-amber-700 directly, with no arbitrary-value brackets and no entry in your theme config.
Color values
| HEX | #B45309 |
| RGB | rgb(180, 83, 9) |
| HSL | hsl(26, 90%, 37%) |
| CMYK | cmyk(0%, 54%, 95%, 29%) |
| Decimal | 11817737 |
| CSS | color: #B45309; |
| Android | 0xFFB45309 |
| Swift | UIColor(red: 0.706, green: 0.325, blue: 0.035, alpha: 1) |
Accessibility and contrast
| White text on #B45309 | 5.02:1 — AA pass · AA large pass · AAA fail |
| Black text on #B45309 | 4.18:1 — AA fail · AA large pass · AAA fail |
| Recommended text color | white |
WCAG 2.1 asks for at least 4.5:1 for body text and 3:1 for large text (18 pt, or 14 pt bold).
Tints and shades of #B45309
Each swatch keeps the hue and saturation of #B45309 and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #B45309
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #B45309 in code
/* CSS */
.element { color: #B45309; background-color: #B45309; }
.element { color: rgb(180 83 9); }
.element { color: hsl(26 90% 37%); }
/* Tailwind */
<div class="bg-amber-700 text-white">
/* SCSS variable */
$brand: #B45309;Frequently asked questions
What color is #B45309?
#B45309 is a dark, vivid orange. Its hue sits at 26° on the color wheel, with 90% saturation and 37% lightness.
What is #B45309 in RGB?
#B45309 converts to rgb(180, 83, 9) — 180 red, 83 green and 9 blue.
What is #B45309 in CMYK?
Approximately cmyk(0%, 54%, 95%, 29%). Print output depends on the ICC profile of the press and paper, so treat this as a starting point rather than an exact match.
Should text on #B45309 be white or black?
White gives the better contrast ratio (5.02:1 versus 4.18:1).
What is the complementary color of #B45309?
#096AB3 — the hue directly opposite #B45309 on the color wheel.