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Decisive Cardinalflower

#dc3d8b
Notes

Decisive Cardinalflower (#DC3D8B) is a true magenta with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (331°, 69%, 55%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#dc3d8b
RGB
rgb(220, 61, 139)
HSL
hsl(331, 69%, 55%)
HWB
hwb(331 24% 14%)
OKLCH
oklch(61.6% 0.206 355.0)
HSV
hsv(331, 72%, 86%)
LAB
lab(52.31% 66.81 -7.05)
LCH
lch(52.31% 67.18 353.97)
CMYK
cmyk(0%, 72%, 37%, 14%)

Etymology

Decisive
adjective

From the Latin decidere, to cut off — used as a modifier for colors that read as firm and final. Decisive black, decisive red: the implication is that the color has settled on its position and won't drift. Sits in the bold-bucket corner alongside resolute, with a slightly sharper edge.

Cardinalflower
noun

Lobelia cardinalis, the North American wildflower whose tall spikes of brilliant red flowers are the favored nectar source of ruby-throated hummingbirds in late summer. The color refers to a fresh cardinalflower bloom: a saturated, slightly orange red with the satin finish of long-spurred bee-pollinated flower. Brighter than scarlet.

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.

#dc3d8b
Original
#5b6a8d
Protanopia
#878787
Deuteranopia
#ed2c5f
Tritanopia
#646464
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
4.13:1
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
5.08:1

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