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Antiseptic Brindisi

#603f66
Notes

Antiseptic Brindisi (#603F66) is a deep violet with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (291°, 24%, 32%) places it in the muted 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
#603f66
RGB
rgb(96, 63, 102)
HSL
hsl(291, 24%, 32%)
HWB
hwb(291 25% 60%)
OKLCH
oklch(42.1% 0.075 321.2)
P3
color(display-p3 0.3575 0.2526 0.3909)
HSV
hsv(291, 38%, 40%)
LAB
lab(31.81% 21.81 -17.16)
LCH
lch(31.81% 27.76 321.80)
CMYK
cmyk(6%, 38%, 0%, 60%)

Etymology

Antiseptic
adjective

Greek anti- (against) plus sēptikós (putrefying) — adjectival suffix -ic. As a color modifier, antiseptic implies a clear-and-disinfected-and-clinical quality, the crisp color of medical-laboratory and operating-theater hand-scrub-and-sanitizer surfaces. Sits at the crisp-and-clean end of the grid, parallel to sterile and sanitary in usage.

Brindisi
noun

Italian Adriatic port city — once the Roman Brundisium, terminus of the Via Appia, and a major Phoenician-and-Roman purpura shellfish-dye production center. Brindisi color refers to a Brindisi-dyed Roman toga praetexta with its purple-edged border: a saturated, slightly cool deep violet with the matte finish of multi-bath murex-shellfish dye on multi-rolled woolen toga fabric.

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.

#603f66
Original
#3a4867
Protanopia
#434c65
Deuteranopia
#61434e
Tritanopia
#494949
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
8.75:1
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
2.40:1

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
##603F66
Display P3
Display P3
color(display-p3 0.3575 0.2526 0.3909)
Inside sRGBOKLCH chroma 0.075

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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