Color

#1204a9

#1204a9
hex#1204a9
rgbrgb(18, 4, 169)
hslhsl(245, 95%, 34%)
oklchoklch(0.339 0.225 267.2)
Closest name: Cobalt (#030aa7)Relative luminance 0.0308

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9ba904

#0449a9 · #6404a9

#a91204 · #04a912

Split-complementary

Open in tool →

#a96404 · #49a904

#a90449 · #9ba904 · #04a964

Contrast

#1204a9 as textRatioAAAA largeAAAFix
Aaon white
13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #6d60fb as the text (4.72:1)
  • AAA: use #9188fc as the text (7.13:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (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 #1204a9 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

#1204a9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1204a9
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 #1204a9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1204a9-a49cc4-dfa54e-261f2d-e9ecf1?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