#66778c - Always Indigo color

This shade is a cool, muted slate blue-gray with a subtle teal undertone, sitting comfortably between denim and steel. It reads as medium-dark and desaturated, evoking overcast skies, calm coastal waters, and contemporary industrial finishes. The color feels grounded and sophisticated—calm yet authoritative—making it suitable for modern interiors, understated branding, and UI elements that require a neutral but characterful tone. It pairs beautifully with warm woods, brass accents, soft whites, and pale ochres.

color #66778c

#66778c color RGB value is 102, 119, 140, and the CMYK value is 0.271, 0.150, 0.00, 0.451. Alternative names for that color are: always indigo, gray, slategray, slate gray, manatee, violet, slategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
102, 119, 140
rgb(102, 119, 140)
CMYK
0.271, 0.150, 0.00, 0.451
-
sRGB
0.400, 0.467, 0.549
rgb(40% 46.7% 54.9%)
Adobe® 98 RGB compatible
0.419, 0.464, 0.541
color(a98-rgb 0.419 0.464 0.541)
HCT
252, 19.1, 49.4
color(--hct 252 13.2% 49.4%)
HSL
213, 15.7, 47.5
hsl(213 15.7% 47.5%)
HSV
213, 27.1, 54.9
color(--hsv 213 27.1% 54.9%)
HWB
213, 40.0, 45.1
hwb(213 40% 45.1%)
Lab
49.2, -2.68, -13.7
lab(49.2 -2.68 -13.7)
P3
0.413, 0.465, 0.541
color(display-p3 0.413 0.465 0.541)
XYZ D50
0.167, 0.178, 0.207
color(xyz-d50 0.167 0.178 0.207)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#66778c
RGB:102 119 140
HSL:213.16deg 15.7% 47.45%
HEX:#8c7b66
RGB:140 123 102
HSL:33.16deg 15.7% 47.45%

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