#383e5d - Mangosteen color

A deep, muted indigo-blue with cool gray undertones, this shade reads as a sophisticated navy leaning toward slate. It conveys calm authority and quiet elegance, evoking twilight skies or storm-tossed seas. Use it to anchor palettes as a primary or accent hue—paired with warm ochres, blush pink, or soft beige for contrast, or with brass and ivory for a refined, classic look. Ideal for corporate branding, refined interiors, outerwear, and user interfaces where unobtrusive strength and timelessness are desired.

#383e5d color RGB value is 56, 62, 93, and the CMYK value is 0.398, 0.333, 0.00, 0.635. Alternative names for that color are: mangosteen, gray, darkslategray, rhino, midnight blue, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	56, 62, 93	rgb(56, 62, 93)
CMYK	0.398, 0.333, 0.00, 0.635	-
sRGB	0.220, 0.243, 0.365	rgb(22%, 24.3%, 36.5%)
Adobe® 98 RGB compatible	0.237, 0.252, 0.362	color(a98-rgb, 0.237, 0.252, 0.362)
HCT	277, 23.7, 27.0	color(--hct, 277, 16.4%, 27%)
HSL	230, 24.8, 29.2	hsl(230, 24.8%, 29.2%)
HSV	230, 39.8, 36.5	color(--hsv, 230, 39.8%, 36.5%)
HWB	230, 22.0, 63.5	hwb(230, 22%, 63.5%)
Lab	26.7, 4.08, -19.5	lab(26.7%, 4.08, -19.5)
P3	0.224, 0.242, 0.356	color(display-p3, 0.224, 0.242, 0.356)
XYZ D50	0.0515, 0.0500, 0.0834	color(xyz-d50, 0.051, 0.05, 0.083)