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Senatorial Borscht

#b51a91
Notes

Senatorial Borscht (#B51A91) is a true magenta with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (314°, 75%, 41%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#b51a91
RGB
rgb(181, 26, 145)
HSL
hsl(314, 75%, 41%)
HWB
hwb(314 10% 29%)
OKLCH
oklch(53.0% 0.215 340.3)
P3
color(display-p3 0.6514 0.1731 0.5530)
HSV
hsv(314, 86%, 71%)
LAB
lab(42.17% 67.64 -26.78)
LCH
lch(42.17% 72.75 338.40)
CMYK
cmyk(0%, 86%, 20%, 29%)

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.

Borscht
noun

Eastern European beet-soup — particularly the Ukrainian and Polish bórshch and Russian borshch, made from Beta vulgaris roots and cabbage in a deep-magenta broth. Borscht color refers to a freshly served bowl of Ukrainian bórshch with a sour-cream swirl: a saturated, slightly cool deep magenta with the matte finish of betalain-pigmented beet broth. Slightly warmer than Belarusian barszcz.

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.

#b51a91
Original
#2a5494
Protanopia
#5f6c8e
Deuteranopia
#c02157
Tritanopia
#444444
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
5.96:1
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
3.52:1

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
##B51A91
Display P3
Display P3
color(display-p3 0.6514 0.1731 0.5530)
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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