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Stalwart Heliconia

#b0198a
Notes

Stalwart Heliconia (#B0198A) 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 (315°, 75%, 39%) 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
#b0198a
RGB
rgb(176, 25, 138)
HSL
hsl(315, 75%, 39%)
HWB
hwb(315 10% 31%)
OKLCH
oklch(51.8% 0.209 341.5)
P3
color(display-p3 0.6333 0.1673 0.5266)
HSV
hsv(315, 86%, 69%)
LAB
lab(40.84% 65.87 -24.65)
LCH
lch(40.84% 70.33 339.48)
CMYK
cmyk(0%, 86%, 22%, 31%)

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.

Heliconia
noun

Central- and South-American lobster-claw (Heliconia rostrata) — a tropical Heliconiaceae perennial cultivated worldwide for its pendulous rostrate-bracted inflorescences in deep-magenta-and-yellow. Heliconia color refers to a fully developed Heliconia rostrata pendulous inflorescence: a saturated, slightly cool deep magenta with the matte finish of waxy bract-clusters. Named for Mount Helicon, the muses' Greek-mythological mountain.

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.

#b0198a
Original
#2b518d
Protanopia
#5d6987
Deuteranopia
#bb1d53
Tritanopia
#414141
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
6.26:1
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
3.35:1

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
##B0198A
Display P3
Display P3
color(display-p3 0.6333 0.1673 0.5266)
P3 has visible headroomOKLCH chroma 0.209

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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