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Infernal Tibouchina

#661088
Notes

Infernal Tibouchina (#661088) is a deep 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 (283°, 79%, 30%) places it in the highly saturated band at a dark 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
#661088
RGB
rgb(102, 16, 136)
HSL
hsl(283, 79%, 30%)
HWB
hwb(283 6% 47%)
OKLCH
oklch(39.2% 0.182 313.1)
P3
color(display-p3 0.3659 0.0960 0.5136)
HSV
hsv(283, 88%, 53%)
LAB
lab(26.66% 53.02 -46.78)
LCH
lch(26.66% 70.71 318.57)
CMYK
cmyk(25%, 88%, 0%, 47%)

Etymology

Infernal
adjective

Latin infernālis, of the lower realms — derived from infernus (underworld). As a color modifier, infernal implies the deep-glowing-furnace-darkness of Dante-Inferno-and-Bosch-tryptich infernal imagery, with the warm undertone of fire-light against shadow. Sits at the deep-and-warm end of the grid, parallel to hellish and warmer than Hadean.

Tibouchina
noun

South American princess flower (Tibouchina urvilleana) — a Brazilian cerrado native shrub cultivated worldwide for its silver-veined leaves and deep-violet five-petaled flowers. Tibouchina color refers to a fully bloomed Tibouchina urvilleana corolla: a saturated, slightly cool deep violet with the velvet finish of fresh broad-petaled corolla. The genus name is from the Tupi-Guarani native word for the plant.

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.

#661088
Original
#003b8b
Protanopia
#004186
Deuteranopia
#62314f
Tritanopia
#2b2b2b
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
10.53:1
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
1.99:1

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
##661088
Display P3
Display P3
color(display-p3 0.3659 0.0960 0.5136)
P3 has visible headroomOKLCH chroma 0.182

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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