#3b3b6d - American Blue color

A deep, muted indigo with strong cool undertones, this shade reads as a dusky slate blue leaning toward violet. It has the quiet depth of navy softened by subtle purple hints, evoking twilight and evening skies. It feels sophisticated, restrained, and slightly moody—ideal for creating calm, intellectual, and elegant atmospheres. Works well as a background color or accent when paired with warm tans, soft blush, coral, or metallic gold for contrast and refined warmth.

#3b3b6d color RGB value is 59, 59, 109, and the CMYK value is 0.459, 0.459, 0.00, 0.573. Alternative names for that color are: american blue, gray, darkslateblue, east bay, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	59, 59, 109	rgb(59, 59, 109)
CMYK	0.459, 0.459, 0.00, 0.573	-
sRGB	0.231, 0.231, 0.427	rgb(23.1%, 23.1%, 42.7%)
Adobe® 98 RGB compatible	0.241, 0.241, 0.420	color(a98-rgb, 0.241, 0.241, 0.42)
HCT	286, 33.6, 27.2	color(--hct, 286, 23.1%, 27.2%)
HSL	240, 29.8, 32.9	hsl(240, 29.8%, 32.9%)
HSV	240, 45.9, 42.7	color(--hsv, 240, 45.9%, 42.7%)
HWB	240, 23.1, 57.3	hwb(240, 23.1%, 57.3%)
Lab	26.8, 11.0, -29.6	lab(26.8%, 11, -29.6)
P3	0.231, 0.231, 0.414	color(display-p3, 0.231, 0.231, 0.414)
XYZ D50	0.0578, 0.0504, 0.114	color(xyz-d50, 0.058, 0.05, 0.114)