#587c8d - Technical Blue color

Muted steel-blue with slate-green undertones, this medium-dark hue sits between blue and teal, leaning cool and slightly desaturated. It feels calm, composed, and slightly maritime—reminiscent of storm-tossed seas or foggy coastal skies. Versatile and professional, it pairs well with warm creams, brass accents, soft ochres, and deep charcoals. Ideal for interfaces, branding, and interiors where a soothing yet sophisticated presence is desired, it conveys stability, quiet confidence, and understated elegance.

#587c8d color RGB value is 88, 124, 141, and the CMYK value is 0.376, 0.121, 0.00, 0.447. Alternative names for that color are: technical blue, gray, slategray, smalt blue, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	88, 124, 141	rgb(88, 124, 141)
CMYK	0.376, 0.121, 0.00, 0.447	-
sRGB	0.345, 0.486, 0.553	rgb(34.5%, 48.6%, 55.3%)
Adobe® 98 RGB compatible	0.392, 0.483, 0.545	color(a98-rgb, 0.392, 0.483, 0.545)
HCT	228, 23.5, 50.0	color(--hct, 228, 16.2%, 50%)
HSL	199, 23.1, 44.9	hsl(199, 23.1%, 44.9%)
HSV	199, 37.6, 55.3	color(--hsv, 199, 37.6%, 55.3%)
HWB	199, 34.5, 44.7	hwb(199, 34.5%, 44.7%)
Lab	49.8, -9.76, -13.6	lab(49.8%, -9.76, -13.6)
P3	0.375, 0.482, 0.546	color(display-p3, 0.375, 0.482, 0.546)
XYZ D50	0.158, 0.182, 0.211	color(xyz-d50, 0.158, 0.182, 0.211)