Color

#10143d

#10143d
hex#10143d
rgbrgb(16, 20, 61)
hslhsl(235, 58%, 15%)
oklchoklch(0.217 0.078 273.8)
Closest name: Deadly Depths (#111144)Relative luminance 0.0095

Colors that go with #10143d

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 →

#3c3910

#102a3c · #23103c

#3c1014 · #143c10

Split-complementary

Open in tool →

#3c2310 · #2a3c10

#3c102a · #3c3910 · #103c23

Contrast

#10143d as textRatioAAAA largeAAAFix
Aaon white
17.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #626bd5 as the text (4.58:1)
  • AAA: use #8a91e0 as the text (7.21:1)
  • AA: or shift the background to #828282 (4.59:1)
  • AAA: or shift the background to #a6a6a6 (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10143d 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

#10143d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10143d
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 #10143d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10143d-9e9cc4-df8d4e-241f2d-e9eef1?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