#5566aa - Submarine Base color
A cool, muted slate blue with a clear indigo lean, this shade sits between steel blue and periwinkle—moderately deep but not overly dark. It reads as calm, professional, and slightly contemplative, lending itself well to corporate identity, tech interfaces, and editorial design. It pairs nicely with warm neutrals, soft golds, pale corals, and light grays for contrast. Use it for primary UI elements, headers, or accents where a trustworthy, sophisticated tone is desired.
#5566aa color RGB value is 85, 102, 170, and the CMYK value is 0.500, 0.400, 0.00, 0.333. Alternative names for that color are: submarine base, gray, darkslateblue, san marino, indigo.
Color Conversion
Name | Values | CSS |
|---|---|---|
RGB(0-255) | 85, 102, 170 | rgb(85, 102, 170) |
CMYK | 0.500, 0.400, 0.00, 0.333 | - |
sRGB | 0.333, 0.400, 0.667 | rgb(33.3% 40% 66.7%) |
Adobe® 98 RGB compatible | 0.355, 0.399, 0.652 | color(a98-rgb 0.355 0.399 0.652) |
HCT | 275, 42.1, 44.7 | color(--hct 275 29% 44.7%) |
HSL | 228, 33.3, 50.0 | hsl(228 33.3% 50%) |
HSV | 228, 50.0, 66.7 | color(--hsv 228 50% 66.7%) |
HWB | 228, 33.3, 33.3 | hwb(228 33.3% 33.3%) |
Lab | 44.2, 8.36, -39.1 | lab(44.2 8.36 -39.1) |
P3 | 0.346, 0.398, 0.648 | color(display-p3 0.346 0.398 0.648) |
XYZ D50 | 0.148, 0.140, 0.301 | color(xyz-d50 0.148 0.14 0.301) |
