Color

#08409b

#08409b
hex#08409b
rgbrgb(8, 64, 155)
hslhsl(217, 90%, 32%)
oklchoklch(0.401 0.158 260.6)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0608

Colors that go with #08409b

Charcoal, Crimson and Steel Blue 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 →

#9b6308

#088a9b · #19089b

#9b0840 · #409b08

Split-complementary

Open in tool →

#9b1908 · #8a9b08

#9b088a · #9b6308 · #089b19

Contrast

#08409b as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #1b6ef3 as the text (4.57:1)
  • AAA: use #5a96f6 as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #08409b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#08409b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #08409b
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 #08409b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/08409b-9ca7c4-df624e-201f2d-e9f0f1?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