Color

#13153a

#13153a
hex#13153a
rgbrgb(19, 21, 58)
hslhsl(237, 51%, 15%)
oklchoklch(0.219 0.07 276.6)
Closest name: Deadly Depths (#111144)Relative luminance 0.0098

Colors that go with #13153a

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 →

#3a3813

#13283a · #24133a

#3a1315 · #153a13

Split-complementary

Open in tool →

#3a2413 · #283a13

#3a1328 · #3a3813 · #133a24

Contrast

#13153a as textRatioAAAA largeAAAFix
Aaon white
17.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #696ece as the text (4.72:1)
  • AAA: use #8b8fda as the text (7.04:1)
  • AA: or shift the background to #828282 (4.57:1)
  • AAA: or shift the background to #a6a6a6 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13153a 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

#13153a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13153a
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 #13153a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13153a-9f9cc4-df924e-251f2d-e9edf1?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