Color

#004170

#004170
hex#004170
rgbrgb(0, 65, 112)
hslhsl(205, 100%, 22%)
oklchoklch(0.367 0.099 248.2)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0495

Colors that go with #004170

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 →

#702f00

#007067 · #000970

#700041 · #417000

Split-complementary

Open in tool →

#700009 · #706700

#670070 · #702f00 · #097000

Contrast

#004170 as textRatioAAAA largeAAAFix
Aaon white
10.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #0077cc as the text (4.51:1)
  • AAA: use #0a99ff as the text (7.01:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004170 as the background.

Brands using this color

Fonts for this mood

#004170 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004170
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 #004170 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004170-9cafc4-df4e58-1f212d-e9f1f0?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