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Royal Kalanchoe

#ad108e
Notes

Royal Kalanchoe (#AD108E) 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 (312°, 83%, 37%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#ad108e
RGB
rgb(173, 16, 142)
HSL
hsl(312, 83%, 37%)
HWB
hwb(312 6% 32%)
OKLCH
oklch(51.1% 0.215 338.9)
P3
color(display-p3 0.6218 0.1468 0.5408)
HSV
hsv(312, 91%, 68%)
LAB
lab(39.93% 67.31 -28.55)
LCH
lch(39.93% 73.11 337.01)
CMYK
cmyk(0%, 91%, 18%, 32%)

Etymology

Royal
noun

The blue of European royal court dress and regalia from the late seventeenth century forward — the color of British peers' robes, French royal sashes, the lining of the crown-jewel cases. The color refers to a saturated, slightly violet-shifted blue with the matte finish of velvet or melton wool dyed to maximum intensity: deeper than cornflower, warmer than ultramarine, with the heraldic weight of a color reserved for monarchs and the official Crown.

Kalanchoe
noun

African Madagascar widow's-thrill (Kalanchoe blossfeldiana) — a Crassulaceae succulent native to Madagascar whose deep-magenta four-petaled flowers in dense terminal corymbs make it a popular winter-bloomer house plant. Kalanchoe color refers to a fully bloomed Kalanchoe blossfeldiana terminal corymb: a saturated, slightly cool deep magenta with the velvet finish of fresh small four-petaled flowers. The genus name comes from the Chinese kalankoe.

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.

#ad108e
Original
#1f4f91
Protanopia
#57668b
Deuteranopia
#b71d54
Tritanopia
#3a3a3a
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
6.48:1
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
3.24:1

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
##AD108E
Display P3
Display P3
color(display-p3 0.6218 0.1468 0.5408)
P3 has visible headroomOKLCH chroma 0.215

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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