Color

#0b68cb

#0b68cb
hex#0b68cb
rgbrgb(11, 104, 203)
hslhsl(211, 90%, 42%)
oklchoklch(0.527 0.172 255.7)
Closest name: Denim (#1560bd)Relative luminance 0.1428

Colors that go with #0b68cb

Charcoal, Crimson and Amber 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 →

#cb6e0b

#0bc8cb · #0e0bcb

#cb0b68 · #68cb0b

Split-complementary

Open in tool →

#cb0e0b · #c8cb0b

#cb0bc8 · #cb6e0b · #0bcb0e

Contrast

#0b68cb as textRatioAAAA largeAAAFix
Aaon white
5.45:1passpassfail
  • AAA: use #0957aa as the text (7.11:1)
Aaon black
3.86:1failpassfail
  • AA: use #0c74e4 as the text (4.63:1)
  • AAA: use #4299f5 as the text (7.11:1)
  • AA: or shift the background to #ebebeb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b68cb as the background.

Brands using this color

Fonts for this mood

#0b68cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b68cb
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 #0b68cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b68cb-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