#637a82 - Gravel Grey Blue color

A muted slate-teal, this color blends cool blue-gray with soft green undertones, producing a calm, slightly weathered appearance. It reads as sophisticated and grounded, ideal for interiors seeking quiet elegance or exteriors with subtle coastal influence. Works well paired with warm wood tones, creamy off-white, and brushed brass for contrast, or layered with deeper navy and charcoal for a tonal palette. In textiles and ceramics it feels tactile and timeless, offering versatile, understated refinement.

#637a82 color RGB value is 99, 122, 130, and the CMYK value is 0.238, 0.0615, 0.00, 0.490. Alternative names for that color are: gravel grey blue, gray, slategray, rolling stone, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	99, 122, 130	rgb(99, 122, 130)
CMYK	0.238, 0.0615, 0.00, 0.490	-
sRGB	0.388, 0.478, 0.510	rgb(38.8%, 47.8%, 51%)
Adobe® 98 RGB compatible	0.415, 0.475, 0.504	color(a98-rgb, 0.415, 0.475, 0.504)
HCT	220, 16.1, 49.7	color(--hct, 220, 11.1%, 49.7%)
HSL	195, 13.5, 44.9	hsl(195, 13.5%, 44.9%)
HSV	195, 23.8, 51.0	color(--hsv, 195, 23.8%, 51%)
HWB	195, 38.8, 49.0	hwb(195, 38.8%, 49%)
Lab	49.6, -7.24, -7.31	lab(49.6%, -7.24, -7.31)
P3	0.406, 0.476, 0.506	color(display-p3, 0.406, 0.476, 0.506)
XYZ D50	0.161, 0.181, 0.180	color(xyz-d50, 0.161, 0.181, 0.18)