Color

#0c20bb

#0c20bb
hex#0c20bb
rgbrgb(12, 32, 187)
hslhsl(233, 88%, 39%)
oklchoklch(0.383 0.231 265.5)
Closest name: mediumblue (#0000cd)Relative luminance 0.047

Colors that go with #0c20bb

Charcoal, Crimson and Cornflower 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 →

#bba70c

#0c78bb · #4f0cbb

#bb0c20 · #20bb0c

Split-complementary

Open in tool →

#bb4f0c · #78bb0c

#bb0c78 · #bba70c · #0cbb4f

Contrast

#0c20bb as textRatioAAAA largeAAAFix
Aaon white
10.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5265f4 as the text (4.53:1)
  • AAA: use #8290f7 as the text (7.28:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c20bb 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

#0c20bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c20bb
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 #0c20bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c20bb-9c9cc4-df884e-241f2d-e9eef1?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