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Stalwart Cartagena

#991d88
Notes

Stalwart Cartagena (#991D88) is a true violet 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 (308°, 68%, 36%) 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
#991d88
RGB
rgb(153, 29, 136)
HSL
hsl(308, 68%, 36%)
HWB
hwb(308 11% 40%)
OKLCH
oklch(48.1% 0.192 334.7)
P3
color(display-p3 0.5509 0.1619 0.5174)
HSV
hsv(308, 81%, 60%)
LAB
lab(36.80% 59.65 -30.04)
LCH
lch(36.80% 66.79 333.27)
CMYK
cmyk(0%, 81%, 11%, 40%)

Etymology

Stalwart
adjective

Old English stǣl-wyrðe, stable-and-worthy. As a color modifier, stalwart implies a saturated-and-loyal-and-firm quality where the hue carries the dependable-and-trustworthy visual presence of a Knight-Templar guard. Sits at the bold-and-firm end of the grid, parallel to steadfast and firm in usage.

Cartagena
noun

Colombian Caribbean port city — once a Spanish-Habsburg colonial trade entrepôt, whose old-town Ciudad Amurallada district carries the iconic deep-magenta lime-stucco façades of cartagenera colonial architecture. Cartagena color refers to a Cartagena old-town stucco façade in late-afternoon light: a saturated, slightly cool deep magenta with the matte finish of lime-and-iron-oxide-pigmented colonial stucco.

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.

#991d88
Original
#1b4b8b
Protanopia
#4c5d85
Deuteranopia
#a12a52
Tritanopia
#3f3f3f
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
7.28:1
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
2.89:1

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
##991D88
Display P3
Display P3
color(display-p3 0.5509 0.1619 0.5174)
P3 has visible headroomOKLCH chroma 0.192

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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