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Sturdy Oriole

#b73e21
Notes

Sturdy Oriole (#B73E21) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (12°, 69%, 42%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b73e21
RGB
rgb(183, 62, 33)
HSL
hsl(12, 69%, 42%)
HWB
hwb(12 13% 28%)
OKLCH
oklch(53.3% 0.162 34.6)
HSV
hsv(12, 82%, 72%)
LAB
lab(43.69% 47.50 42.95)
LCH
lch(43.69% 64.03 42.12)
CMYK
cmyk(0%, 66%, 82%, 28%)

Etymology

Sturdy
adjective

Old French estourdi, stunned, reckless — drifted in English to mean robust, well-built. Used as a color modifier since the seventeenth century for hues that read as durable and unfussy — the working browns of saddle leather, the working greens of pasture wool. Sits in the bold-and-warm corner alongside robust and solid.

Oriole
noun

The genus Icterus — particularly I. galbula, the Baltimore oriole whose males in breeding plumage are vivid orange with black wings. The color refers to a male Baltimore oriole at full breeding plumage: a saturated, slightly cool orange with the matte finish of carotenoid-pigmented feathers. Brighter than tangerine, warmer than carrot.

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.

#b73e21
Original
#61561c
Protanopia
#7f711b
Deuteranopia
#ca1938
Tritanopia
#565656
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
5.64:1
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
3.72:1

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