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Imperial Phoenix

#b43e03
Notes

Imperial Phoenix (#B43E03) is a true orange with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (20°, 97%, 36%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b43e03
RGB
rgb(180, 62, 3)
HSL
hsl(20, 97%, 36%)
HWB
hwb(20 1% 29%)
OKLCH
oklch(52.6% 0.163 40.1)
HSV
hsv(20, 98%, 71%)
LAB
lab(43.00% 45.85 53.33)
LCH
lch(43.00% 70.33 49.31)
CMYK
cmyk(0%, 66%, 98%, 29%)

Etymology

Imperial
adjective

From the Latin imperialis, of the empire — applied to color since the medieval period for the hues reserved for sovereigns and empires: imperial purple of Tyrian dye, imperial yellow of Ming-dynasty porcelain. As a modifier, imperial implies saturation combined with the institutional weight of a color owned by a court. Sits in the bold-and-deep corner, alongside royal.

Phoenix
noun

The mythological bird that burns and is reborn from its ashes — and the Arizona state capital named for the bird. Phoenix as a color refers to the saturated red-orange of a Sonoran desert sunset over the city: a saturated, slightly red orange with the optical brightness of a desert sky scattering long-wavelength light. Brighter than ember, warmer than tangerine.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#b43e03
Original
#615500
Protanopia
#7e6f00
Deuteranopia
#c71835
Tritanopia
#535353
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon White
5.78:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.63:1

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