Color

#10447e

#10447e
hex#10447e
rgbrgb(16, 68, 126)
hslhsl(212, 77%, 28%)
oklchoklch(0.388 0.112 254.6)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0575

Colors that go with #10447e

Crimson, Blue and Denim 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 →

#7e4b10

#107b7e · #14107e

#7e1044 · #447e10

Split-complementary

Open in tool →

#7e1410 · #7b7e10

#7e107b · #7e4b10 · #107e14

Contrast

#10447e as textRatioAAAA largeAAAFix
Aaon white
9.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #1c74d9 as the text (4.55:1)
  • AAA: use #5399e9 as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.5:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10447e 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

#10447e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10447e
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 #10447e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10447e-9caac4-df564e-1f202d-e9f1f1?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