#365787 - Southern Blue color

This shade is a medium-deep steel blue with cool indigo undertones, evoking a calm midsummer twilight. It balances strength and softness—more muted than true navy, yet richer than a typical slate—making it versatile for corporate identities, user-interface backgrounds, and refined home decor. It pairs beautifully with warm amber or coral accents, soft dove grays, and crisp off-white, creating contrast without harshness. The overall mood is composed, trustworthy, and quietly sophisticated.

#365787 color RGB value is 54, 87, 135, and the CMYK value is 0.600, 0.356, 0.00, 0.471. Alternative names for that color are: southern blue, gray, steelblue, east bay, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	54, 87, 135	rgb(54, 87, 135)
CMYK	0.600, 0.356, 0.00, 0.471	-
sRGB	0.212, 0.341, 0.529	rgb(21.2%, 34.1%, 52.9%)
Adobe® 98 RGB compatible	0.264, 0.343, 0.519	color(a98-rgb, 0.264, 0.343, 0.519)
HCT	261, 35.8, 36.6	color(--hct, 261, 24.7%, 36.6%)
HSL	216, 42.9, 37.1	hsl(216, 42.9%, 37.1%)
HSV	216, 60.0, 52.9	color(--hsv, 216, 60%, 52.9%)
HWB	216, 21.2, 47.1	hwb(216, 21.2%, 47.1%)
Lab	36.2, -0.430, -31.0	lab(36.2%, -0.43, -31)
P3	0.241, 0.338, 0.515	color(display-p3, 0.241, 0.338, 0.515)
XYZ D50	0.0875, 0.0912, 0.183	color(xyz-d50, 0.087, 0.091, 0.183)