#3c4670 - Constellation Blue color

A restrained, moody slate-blue with cool indigo depth and subtle gray undertones. It evokes evening skies and weathered denim, feeling both dignified and calm. The color reads as mature and refined—suitable for formal interiors, corporate branding, or nautical palettes—providing a stable, grounding presence without feeling heavy. It pairs beautifully with warm metallics, soft creams, or muted greens, offering contrast while maintaining an understated, sophisticated aesthetic.

#3c4670 color RGB value is 60, 70, 112, and the CMYK value is 0.464, 0.375, 0.00, 0.561. Alternative names for that color are: constellation blue, gray, darkslateblue, east bay, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	60, 70, 112	rgb(60, 70, 112)
CMYK	0.464, 0.375, 0.00, 0.561	-
sRGB	0.235, 0.275, 0.439	rgb(23.5%, 27.5%, 43.9%)
Adobe® 98 RGB compatible	0.256, 0.281, 0.432	color(a98-rgb, 0.256, 0.281, 0.432)
HCT	276, 30.0, 30.7	color(--hct, 276, 20.7%, 30.7%)
HSL	228, 30.2, 33.7	hsl(228, 30.2%, 33.7%)
HSV	228, 46.4, 43.9	color(--hsv, 228, 46.4%, 43.9%)
HWB	228, 23.5, 56.1	hwb(228, 23.5%, 56.1%)
Lab	30.3, 5.24, -25.9	lab(30.3%, 5.24, -25.9)
P3	0.243, 0.273, 0.427	color(display-p3, 0.243, 0.273, 0.427)
XYZ D50	0.0665, 0.0638, 0.122	color(xyz-d50, 0.066, 0.064, 0.122)