Color

#13233a

#13233a
hex#13233a
rgbrgb(19, 35, 58)
hslhsl(215, 51%, 15%)
oklchoklch(0.255 0.049 257.5)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0165

Colors that go with #13233a

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.

Real palettes that use #13233a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a2a13

#13373a · #16133a

#3a1323 · #233a13

Split-complementary

Open in tool →

#3a1613 · #373a13

#3a1337 · #3a2a13 · #133a16

Contrast

#13233a as textRatioAAAA largeAAAFix
Aaon white
15.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #3e75c1 as the text (4.52:1)
  • AAA: use #7199d1 as the text (7.18:1)
  • 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 #13233a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#13233a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13233a
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 #13233a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13233a-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