Color

#06266b

#06266b
hex#06266b
rgbrgb(6, 38, 107)
hslhsl(221, 89%, 22%)
oklchoklch(0.299 0.126 262.6)
Closest name: Black Sea Night (#052462)Relative luminance 0.0249

Colors that go with #06266b

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 →

#6a4a06

#06586a · #18066a

#6a0626 · #266a06

Split-complementary

Open in tool →

#6a1806 · #586a06

#6a0658 · #6a4a06 · #066a18

Contrast

#06266b as textRatioAAAA largeAAAFix
Aaon white
14.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #306ef3 as the text (4.65:1)
  • AAA: use #6593f6 as the text (7.06:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06266b as the background.

Brands using this color

Fonts for this mood

#06266b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06266b
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 #06266b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06266b-9ca4c4-df6b4e-211f2d-e9eff1?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