Color

#120cbb

#120cbb
hex#120cbb
rgbrgb(18, 12, 187)
hslhsl(242, 88%, 39%)
oklchoklch(0.368 0.241 266.6)
Closest name: mediumblue (#0000cd)Relative luminance 0.0398

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5bb0c

#0c5ebb · #690cbb

#bb120c · #0cbb12

Split-complementary

Open in tool →

#bb690c · #5ebb0c

#bb0c5e · #b5bb0c · #0cbb69

Contrast

#120cbb as textRatioAAAA largeAAAFix
Aaon white
11.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #6661f5 as the text (4.59:1)
  • AAA: use #908cf8 as the text (7.29:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #120cbb 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

#120cbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #120cbb
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 #120cbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/120cbb-a29cc4-df9e4e-261f2d-e9edf1?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