Color

#10475c

#10475c
hex#10475c
rgbrgb(16, 71, 92)
hslhsl(197, 70%, 21%)
oklchoklch(0.374 0.065 228.6)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0539

Colors that go with #10475c

Crimson, Royal Blue and Teal 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 →

#5b2510

#105b4b · #10205b

#5b1046 · #465b10

Split-complementary

Open in tool →

#5b1020 · #5b4b10

#4b105b · #5b2510 · #205b10

Contrast

#10475c as textRatioAAAA largeAAAFix
Aaon white
10.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #1d7ea5 as the text (4.58:1)
  • AAA: use #25a0d0 as the text (7.02:1)
  • AA: or shift the background to #adadad (4.5:1)
  • AAA: or shift the background to #d9d9d9 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10475c as the background.

Brands using this color

Fonts for this mood

#10475c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10475c
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 #10475c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10475c-9cb4c4-df4e6b-1f232d-e9f1ef?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