#565b8d - Midnight Sea color

A muted indigo-blue with a subtle gray undertone, this shade evokes twilight skies and worn denim—calm, sophisticated, and slightly nostalgic. It reads cool but not icy, lending an elegant, contemplative mood to interiors or interfaces. Works well as a primary or accent color beside warm neutrals, soft creams, blush pink, or brass and gold for contrast. Ideal for corporate branding, editorial layouts, and cozy living spaces where a refined, grounded blue is desired.

#565b8d color RGB value is 86, 91, 141, and the CMYK value is 0.390, 0.355, 0.00, 0.447. Alternative names for that color are: midnight sea, gray, steelblue, east bay, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	86, 91, 141	rgb(86, 91, 141)
CMYK	0.390, 0.355, 0.00, 0.447	-
sRGB	0.337, 0.357, 0.553	rgb(33.7%, 35.7%, 55.3%)
Adobe® 98 RGB compatible	0.345, 0.358, 0.542	color(a98-rgb, 0.345, 0.358, 0.542)
HCT	281, 32.8, 40.2	color(--hct, 281, 22.6%, 40.2%)
HSL	235, 24.2, 44.5	hsl(235, 24.2%, 44.5%)
HSV	235, 39.0, 55.3	color(--hsv, 235, 39%, 55.3%)
HWB	235, 33.7, 44.7	hwb(235, 33.7%, 44.7%)
Lab	39.9, 8.01, -28.7	lab(39.9%, 8.01, -28.7)
P3	0.341, 0.356, 0.539	color(display-p3, 0.341, 0.356, 0.539)
XYZ D50	0.119, 0.112, 0.202	color(xyz-d50, 0.119, 0.112, 0.202)