Color

#111f4f

#111f4f
hex#111f4f
rgbrgb(17, 31, 79)
hslhsl(226, 65%, 19%)
oklchoklch(0.26 0.09 267.4)
Closest name: Dark Soul (#112255)Relative luminance 0.0166

Colors that go with #111f4f

Charcoal, Dark Olive Green and Sea Green 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 →

#504111

#113f50 · #221150

#501120 · #205011

Split-complementary

Open in tool →

#502211 · #3f5011

#50113f · #504111 · #115022

Contrast

#111f4f as textRatioAAAA largeAAAFix
Aaon white
15.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #4e6fda as the text (4.61:1)
  • AAA: use #7d95e3 as the text (7.28:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #111f4f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#111f4f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #111f4f
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 #111f4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/111f4f-9ca1c4-df774e-221f2d-e9eff1?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