Color

#0c61bb

#0c61bb
hex#0c61bb
rgbrgb(12, 97, 187)
hslhsl(211, 88%, 39%)
oklchoklch(0.5 0.16 255.3)
Closest name: Denim (#1560bd)Relative luminance 0.1222

Colors that go with #0c61bb

Charcoal, Crimson and Sienna 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 →

#bb660c

#0cb8bb · #0f0cbb

#bb0c61 · #61bb0c

Split-complementary

Open in tool →

#bb0f0c · #b8bb0c

#bb0cb8 · #bb660c · #0cbb0f

Contrast

#0c61bb as textRatioAAAA largeAAAFix
Aaon white
6.1:1passpassfail
  • AAA: use #0b57a8 as the text (7.14:1)
Aaon black
3.44:1failpassfail
  • AA: use #0e74e1 as the text (4.6:1)
  • AAA: use #4499f3 as the text (7.1:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c61bb as the background.

Brands using this color

Fonts for this mood

#0c61bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c61bb
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 #0c61bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c61bb-9cabc4-df534e-1f202d-e9f1f1?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