#1c4374 - Assault color

A rich, deep blue with cool teal undertones, it reads as a sophisticated navy—dark and composed but not purely blackish. It suggests ocean depth and evening sky, conveying calm authority, reliability, and professionalism. In design it pairs beautifully with warm metallics or soft creams to add contrast, or with lighter blues and mint for a fresh palette. Ideal for branding, interfaces, and tailoring, it brings a reserved, modern elegance with a subtly maritime character.

#1c4374 color RGB value is 28, 67, 116, and the CMYK value is 0.759, 0.422, 0.00, 0.545. Alternative names for that color are: assault, gray, darkslateblue, regal blue, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	28, 67, 116	rgb(28, 67, 116)
CMYK	0.759, 0.422, 0.00, 0.545	-
sRGB	0.110, 0.263, 0.455	rgb(11%, 26.3%, 45.5%)
Adobe® 98 RGB compatible	0.184, 0.270, 0.446	color(a98-rgb, 0.184, 0.27, 0.446)
HCT	260, 37.1, 28.2	color(--hct, 260, 25.6%, 28.2%)
HSL	213, 61.1, 28.2	hsl(213, 61.1%, 28.2%)
HSV	213, 75.9, 45.5	color(--hsv, 213, 75.9%, 45.5%)
HWB	213, 11.0, 54.5	hwb(213, 11%, 54.5%)
Lab	27.7, 0.205, -32.8	lab(27.7%, 0.205, -32.8)
P3	0.150, 0.259, 0.441	color(display-p3, 0.15, 0.259, 0.441)
XYZ D50	0.0517, 0.0534, 0.130	color(xyz-d50, 0.052, 0.053, 0.13)