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Senatorial Púrpura

#6d1b89
Notes

Senatorial Púrpura (#6D1B89) 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 (285°, 67%, 32%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#6d1b89
RGB
rgb(109, 27, 137)
HSL
hsl(285, 67%, 32%)
HWB
hwb(285 11% 46%)
OKLCH
oklch(41.1% 0.175 315.5)
P3
color(display-p3 0.3926 0.1317 0.5181)
HSV
hsv(285, 80%, 54%)
LAB
lab(29.01% 51.22 -43.54)
LCH
lch(29.01% 67.23 319.63)
CMYK
cmyk(20%, 80%, 0%, 46%)

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.

Púrpura
noun

Spanish for purple — derived from Latin purpura (Tyrian shellfish-dye), the imperial color of Roman and Spanish-Habsburg court regalia. Púrpura color refers to a Spanish-Habsburg-period royal capa cloak: a saturated, slightly cool deep violet with the velvet finish of multi-bath fermentation-and-shellfish-dyed silk-velvet over ermine. Slightly cooler than Italian porpora and warmer than French pourpre.

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.

#6d1b89
Original
#00408c
Protanopia
#174687
Deuteranopia
#6b3552
Tritanopia
#343434
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
9.69:1
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
2.17:1

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
##6D1B89
Display P3
Display P3
color(display-p3 0.3926 0.1317 0.5181)
P3 has subtle headroomOKLCH chroma 0.175

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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