#5b7c99 - Slate Blue color

Soft steel-blue with a cool, desaturated character—think weathered denim blended with slate. It reads as medium-dark, leaning toward gray-blue rather than vivid azure, evoking calm coastal skies and misty twilight. The tone feels mature and dependable, suitable for professional interfaces, nautical themes, or understated branding. It pairs well with warm tans, pale corals, and creamy neutrals to create balance, or with brighter teals and mustard accents for contrast while retaining a composed, slightly vintage charm.

#5b7c99 color RGB value is 91, 124, 153, and the CMYK value is 0.405, 0.190, 0.00, 0.400. Alternative names for that color are: slate blue, gray, slategray, lynch, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	91, 124, 153	rgb(91, 124, 153)
CMYK	0.405, 0.190, 0.00, 0.400	-
sRGB	0.357, 0.486, 0.600	rgb(35.7%, 48.6%, 60%)
Adobe® 98 RGB compatible	0.399, 0.483, 0.590	color(a98-rgb, 0.399, 0.483, 0.59)
HCT	245, 26.9, 50.6	color(--hct, 245, 18.6%, 50.6%)
HSL	208, 25.4, 47.8	hsl(208, 25.4%, 47.8%)
HSV	208, 40.5, 60.0	color(--hsv, 208, 40.5%, 60%)
HWB	208, 35.7, 40.0	hwb(208, 35.7%, 40%)
Lab	50.3, -6.25, -19.7	lab(50.3%, -6.25, -19.7)
P3	0.384, 0.483, 0.589	color(display-p3, 0.384, 0.483, 0.589)
XYZ D50	0.169, 0.187, 0.248	color(xyz-d50, 0.169, 0.187, 0.248)