colors
Back to gallery

Plush Constantinople

#33183c
Notes

Plush Constantinople (#33183C) 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 (285°, 43%, 16%) 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
#33183c
RGB
rgb(51, 24, 60)
HSL
hsl(285, 43%, 16%)
HWB
hwb(285 9% 76%)
OKLCH
oklch(26.5% 0.072 317.1)
P3
color(display-p3 0.1858 0.0994 0.2276)
HSV
hsv(285, 60%, 24%)
LAB
lab(13.73% 20.70 -17.72)
LCH
lch(13.73% 27.25 319.43)
CMYK
cmyk(15%, 60%, 0%, 76%)

Etymology

Plush
adjective

From the French peluche, long-haired fabric — borrowed into English in the seventeenth century for the deep-pile velvet imitation that became Victorian upholstery. As a color modifier, plush implies the optical depth that comes from a thick pile absorbing light: plush burgundy, plush emerald. Sits in the dark-and-saturated quadrant near velvet and deep.

Constantinople
noun

Byzantine imperial capital (founded 324 CE as Nova Roma, fell 1453 CE) — and the regulatory home of the purpura monopoly, where Tyrian purple was a state-controlled imperial dye after Justinian I's edict (530 CE). Constantinople color refers to an Empress Theodora San Vitale mosaic robe: a saturated, slightly cool deep violet with the matte finish of multi-bath Tyrian shellfish dye on Byzantine silk.

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.

#33183c
Original
#11213d
Protanopia
#19243b
Deuteranopia
#331d27
Tritanopia
#202020
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
15.71:1
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
1.34:1

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
##33183C
Display P3
Display P3
color(display-p3 0.1858 0.0994 0.2276)
Inside sRGBOKLCH chroma 0.072

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.

Related Colors

Canvas