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Inviting Sonora

#803704
Notes

Inviting Sonora (#803704) is a deep 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 (25°, 94%, 26%) places it in the highly saturated band at a dark 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
#803704
RGB
rgb(128, 55, 4)
HSL
hsl(25, 94%, 26%)
HWB
hwb(25 2% 50%)
OKLCH
oklch(42.9% 0.115 47.6)
HSV
hsv(25, 97%, 50%)
LAB
lab(32.55% 29.04 41.99)
LCH
lch(32.55% 51.06 55.33)
CMYK
cmyk(0%, 57%, 97%, 50%)

Etymology

Inviting
adjective

Latin invītāre, to invite — present-participle of invite. As a color modifier, inviting implies a clear-and-cordial-and-encouraging quality where the hue carries the visual register of warm-inviting-and-encouraging entrance-foyer color tone. Sits at the crisp-and-cheerful end of the grid, parallel to welcoming and hospitable in usage.

Sonora
noun

The Sonoran Desert in northwestern Mexico and the southwestern United States — the giant saguaros, ocotillo, and the deep orange-brown of weathered desert basalt. Sonora refers to a Sonoran sunset over the saguaro forest: a saturated, slightly muted deep orange with the matte finish of dust-suspended desert light. Drier than Mojave, warmer than rust.

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

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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.

#803704
Original
#4c4200
Protanopia
#5e5301
Deuteranopia
#8d252e
Tritanopia
#434343
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).
AAAon White
8.52:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.47:1

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