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Senatorial Pinotage

#c100a1
Notes

Senatorial Pinotage (#C100A1) 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 (310°, 100%, 38%) 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
#c100a1
RGB
rgb(193, 0, 161)
HSL
hsl(310, 100%, 38%)
HWB
hwb(310 0% 24%)
OKLCH
oklch(55.1% 0.241 338.0)
P3
color(display-p3 0.6934 0.1415 0.6127)
HSV
hsv(310, 100%, 76%)
LAB
lab(44.11% 75.28 -33.24)
LCH
lch(44.11% 82.29 336.18)
CMYK
cmyk(0%, 100%, 17%, 24%)

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.

Pinotage
noun

South African red-wine grape variety, a 1925 cross of Pinot Noir and Cinsaut by Stellenbosch University viticulturist Abraham Izak Perold. Pinotage color refers to a freshly poured South African Stellenbosch-region pinotage in a Bordeaux-style wine glass: a saturated, slightly cool deep magenta with the matte finish of anthocyanin-rich red-wine pigment. The grape's acetate-character gives it the banana-and-tar notes characteristic of South African reds.

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.

#c100a1
Original
#1657a4
Protanopia
#5f719d
Deuteranopia
#cc1b5e
Tritanopia
#353535
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
5.55:1
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
3.78:1

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
##C100A1
Display P3
Display P3
color(display-p3 0.6934 0.1415 0.6127)
P3 has visible headroomOKLCH chroma 0.241

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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