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Bastioned Roseate

#991b71
Notes

Bastioned Roseate (#991B71) is a true magenta 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 (319°, 70%, 35%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#991b71
RGB
rgb(153, 27, 113)
HSL
hsl(319, 70%, 35%)
HWB
hwb(319 11% 40%)
OKLCH
oklch(46.8% 0.179 344.7)
P3
color(display-p3 0.5506 0.1567 0.4322)
HSV
hsv(319, 82%, 60%)
LAB
lab(35.50% 57.00 -17.71)
LCH
lch(35.50% 59.69 342.74)
CMYK
cmyk(0%, 82%, 26%, 40%)

Etymology

Bastioned
adjective

Italian bastionato, fortified-with-bastions — past-participle of bastion, derived from bastia (fortified-tower). As a color modifier, bastioned implies a saturated-and-fortified-and-projecting quality, the deep-rich color of Vauban-period military-fortress star-fort projecting-bastion stone-architecture. Sits at the bold-and-fortified end of the grid, parallel to fortified and buttressed.

Roseate
noun

Latin rosātus, rosy — adopted into English for any naturally pink-magenta colored phenomenon, particularly the roseate spoonbill (Platalea ajaja) of Florida and Caribbean coastal wetlands. Roseate color refers to a Platalea ajaja breast-and-shoulder feather field in late-afternoon light: a saturated, slightly cool deep magenta with the velvet finish of carotenoid-pigmented feather barbs over melanin-substrate flight feathers.

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.

#991b71
Original
#2d4673
Protanopia
#545b6e
Deuteranopia
#a41945
Tritanopia
#3c3c3c
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
7.64:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.75:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##991B71
Display P3
Display P3
color(display-p3 0.5506 0.1567 0.4322)
P3 has subtle headroomOKLCH chroma 0.179

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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