#455371 - Signature Blue color

This is a deep slate blue with strong gray undertones and a subtle indigo depth. It reads cool and sophisticated, balancing muted elegance with a hint of somber warmth. Ideal for walls, upholstery, or branding that seeks calm authority, it pairs beautifully with soft creams, warm tans, and brass accents to add contrast. In digital designs it provides dependable legibility and a professional tone, evoking evening skies, weathered denim, and refined, restrained modernity.

#455371 color RGB value is 69, 83, 113, and the CMYK value is 0.389, 0.265, 0.00, 0.557. Alternative names for that color are: signature blue, gray, slategray, fiord, midnight blue, indigo, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	69, 83, 113	rgb(69, 83, 113)
CMYK	0.389, 0.265, 0.00, 0.557	-
sRGB	0.271, 0.325, 0.443	rgb(27.1%, 32.5%, 44.3%)
Adobe® 98 RGB compatible	0.293, 0.329, 0.437	color(a98-rgb, 0.293, 0.329, 0.437)
HCT	266, 23.9, 35.3	color(--hct, 266, 16.5%, 35.3%)
HSL	221, 24.2, 35.7	hsl(221, 24.2%, 35.7%)
HSV	221, 38.9, 44.3	color(--hsv, 221, 38.9%, 44.3%)
HWB	221, 27.1, 55.7	hwb(221, 27.1%, 55.7%)
Lab	35.1, 0.601, -19.2	lab(35.1%, 0.601, -19.2)
P3	0.281, 0.324, 0.434	color(display-p3, 0.281, 0.324, 0.434)
XYZ D50	0.0829, 0.0853, 0.127	color(xyz-d50, 0.083, 0.085, 0.127)