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Senatorial Fittonia

#850b5d
Notes

Senatorial Fittonia (#850B5D) is a deep 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 (320°, 85%, 28%) 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
#850b5d
RGB
rgb(133, 11, 93)
HSL
hsl(320, 85%, 28%)
HWB
hwb(320 4% 48%)
OKLCH
oklch(41.4% 0.167 346.7)
P3
color(display-p3 0.4772 0.1063 0.3557)
HSV
hsv(320, 92%, 52%)
LAB
lab(29.46% 53.28 -14.48)
LCH
lch(29.46% 55.21 344.80)
CMYK
cmyk(0%, 92%, 30%, 48%)

Etymology

Senatorial
adjective

Latin senātōrius, of the senator — adjectival suffix. As a color modifier, senatorial implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Senate toga praetexta purple-bordered ceremonial-citizen-class livery. Sits at the bold-and-aristocratic end of the grid, parallel to patrician and imperial.

Fittonia
noun

South American nerve plant (Fittonia albivenis) — an Acanthaceae understory creeper native to the Peruvian Amazon whose deep-magenta-veined silver-green foliage is cultivated worldwide as a terrarium plant. Fittonia color refers to a Fittonia albivenis leaf upper-surface in raking light: a saturated, slightly cool deep magenta with the velvet finish of anthocyanin-pigmented vein network against a pale silver-green leaf-tissue background.

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.

#850b5d
Original
#23395f
Protanopia
#484c5b
Deuteranopia
#8f0336
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
9.53:1
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
2.20:1

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
##850B5D
Display P3
Display P3
color(display-p3 0.4772 0.1063 0.3557)
P3 has subtle headroomOKLCH chroma 0.167

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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