Color

#11233c

#11233c
hex#11233c
rgbrgb(17, 35, 60)
hslhsl(215, 56%, 15%)
oklchoklch(0.255 0.053 256.9)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0165

Colors that go with #11233c

Charcoal, Sea Green and Sienna 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.

Real palettes that use #11233c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c2a11

#11383c · #14113c

#3c1123 · #233c11

Split-complementary

Open in tool →

#3c1411 · #383c11

#3c1138 · #3c2a11 · #113c14

Contrast

#11233c as textRatioAAAA largeAAAFix
Aaon white
15.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #3c76c8 as the text (4.62:1)
  • AAA: use #6c98d5 as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (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 #11233c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11233c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11233c
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 #11233c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11233c-9ca8c4-df5d4e-201f2d-e9f0f1?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