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Ironclad Goa

#bc4ca8
Notes

Ironclad Goa (#BC4CA8) is a true magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (311°, 46%, 52%) 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
#bc4ca8
RGB
rgb(188, 76, 168)
HSL
hsl(311, 46%, 52%)
HWB
hwb(311 30% 26%)
OKLCH
oklch(59.5% 0.179 335.2)
HSV
hsv(311, 60%, 74%)
LAB
lab(50.32% 56.04 -27.74)
LCH
lch(50.32% 62.53 333.66)
CMYK
cmyk(0%, 60%, 11%, 26%)

Etymology

Ironclad
adjective

English compound iron + clad — referring to the 19th-century USS-Monitor and CSS-Virginia iron-armored warships. As a color modifier, ironclad implies a saturated-and-armored-and-impenetrable quality where the hue carries the visual weight of forged-iron armor-plate. Sits at the bold-and-fortified end of the grid, parallel to fortified and armored.

Goa
noun

Indian Konkan-coast state — once a Portuguese colonial outpost (1510–1961) whose churches, fish-market stalls, and saris carry the gulābi deep-magenta of bandhani tie-dyed cotton. Goa color refers to a bandhani-tied magenta sari at a Goa fish-market stall: a saturated, slightly cool deep magenta with the matte finish of natural-dye-and-resist-tied cotton. Warmer than Bengali neel.

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.

#bc4ca8
Original
#4c6dab
Protanopia
#6f7ea5
Deuteranopia
#c55373
Tritanopia
#6a6a6a
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).
AA Largeon White
4.43:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.74:1

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