Color

#111e5f

#111e5f
hex#111e5f
rgbrgb(17, 30, 95)
hslhsl(230, 70%, 22%)
oklchoklch(0.274 0.116 268.5)
Closest name: Black Sea Night (#052462)Relative luminance 0.0187

Colors that go with #111e5f

Charcoal, Sea Green and Slate Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5f5211

#11455f · #2b115f

#5f111e · #1e5f11

Split-complementary

Open in tool →

#5f2b11 · #455f11

#5f1145 · #5f5211 · #115f2b

Contrast

#111e5f as textRatioAAAA largeAAAFix
Aaon white
15.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #566de1 as the text (4.67:1)
  • AAA: use #8193e9 as the text (7.28:1)
  • AA: or shift the background to #8c8c8c (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #111e5f as the background.

Brands using this color

Fonts for this mood

#111e5f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #111e5f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #111e5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/111e5f-9c9ec4-df814e-231f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md