Color

#111b40

#111b40
hex#111b40
rgbrgb(17, 27, 64)
hslhsl(227, 58%, 16%)
oklchoklch(0.237 0.072 269)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0127

Colors that go with #111b40

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 →

#403611

#113340 · #1f1140

#40111b · #1b4011

Split-complementary

Open in tool →

#401f11 · #334011

#401133 · #403611 · #11401f

Contrast

#111b40 as textRatioAAAA largeAAAFix
Aaon white
16.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #5671d2 as the text (4.69:1)
  • AAA: use #7e93dd as the text (7.1:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (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 #111b40 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#111b40 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #111b40
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 #111b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/111b40-9ca0c4-df7a4e-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