Color

#06456f

#06456f
hex#06456f
rgbrgb(6, 69, 111)
hslhsl(204, 90%, 23%)
oklchoklch(0.378 0.092 245.4)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0544

Colors that go with #06456f

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 →

#6f3006

#066f65 · #06106f

#6f0645 · #456f06

Split-complementary

Open in tool →

#6f0610 · #6f6506

#65066f · #6f3006 · #106f06

Contrast

#06456f as textRatioAAAA largeAAAFix
Aaon white
10.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #0a7bc7 as the text (4.67:1)
  • AAA: use #169bf3 as the text (7.02:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (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 #06456f as the background.

Brands using this color

Fonts for this mood

#06456f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06456f
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 #06456f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06456f-9cafc4-df4e5a-1f222d-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