Color

#12266e

#12266e
hex#12266e
rgbrgb(18, 38, 110)
hslhsl(227, 72%, 25%)
oklchoklch(0.306 0.127 266.5)
Closest name: Black Sea Night (#052462)Relative luminance 0.0264

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6e5a12

#12546e · #2c126e

#6e1226 · #266e12

Split-complementary

Open in tool →

#6e2c12 · #546e12

#6e1254 · #6e5a12 · #126e2c

Contrast

#12266e as textRatioAAAA largeAAAFix
Aaon white
13.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #4b6ce2 as the text (4.54:1)
  • AAA: use #7b93ea as the text (7.2:1)
  • AA: or shift the background to #949494 (4.53:1)
  • AAA: or shift the background to #bababa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12266e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#12266e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12266e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12266e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12266e-9ca0c4-df7a4e-221f2d-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