#557088 - Captains Blue color

Deep, muted slate blue with subtle gray-green undertones, evoking a calm, storm-tossed sea and weathered denim. It reads cool and composed, neither bright nor overly somber, offering a sophisticated, moody presence that grounds interiors and graphics. Works beautifully as a background or accent, pairing especially well with warm creams, soft blush, aged brass, rich walnut, and coral tones. Feels collected, steady, and slightly vintage—ideal for creating serene, contemplative spaces or refined, understated designs.

color #557088

#557088 color RGB value is 85, 112, 136, and the CMYK value is 0.375, 0.176, 0.00, 0.467. Alternative names for that color are: captains blue, gray, slategray, blue bayoux, manatee, violet, slategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
85, 112, 136
rgb(85, 112, 136)
CMYK
0.375, 0.176, 0.00, 0.467
-
sRGB
0.333, 0.439, 0.533
rgb(33.3% 43.9% 53.3%)
Adobe® 98 RGB compatible
0.368, 0.437, 0.525
color(a98-rgb 0.368 0.437 0.525)
HCT
245, 23.4, 46.0
color(--hct 245 16.2% 46%)
HSL
208, 23.1, 43.3
hsl(208 23.1% 43.3%)
HSV
208, 37.5, 53.3
color(--hsv 208 37.5% 53.3%)
HWB
208, 33.3, 46.7
hwb(208 33.3% 46.7%)
Lab
45.8, -5.37, -16.6
lab(45.8 -5.37 -16.6)
P3
0.355, 0.436, 0.525
color(display-p3 0.355 0.436 0.525)
XYZ D50
0.137, 0.151, 0.193
color(xyz-d50 0.137 0.151 0.193)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#557088
RGB:85 112 136
HSL:208.24deg 23.08% 43.33%
HEX:#886d55
RGB:136 109 85
HSL:28.24deg 23.08% 43.33%

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