Color

#0c5dcf

#0c5dcf
hex#0c5dcf
rgbrgb(12, 93, 207)
hslhsl(215, 89%, 43%)
oklchoklch(0.506 0.191 259.3)
Closest name: Denim (#1560bd)Relative luminance 0.1241

Colors that go with #0c5dcf

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 →

#cf7e0c

#0cbfcf · #1c0ccf

#cf0c5d · #5dcf0c

Split-complementary

Open in tool →

#cf1c0c · #bfcf0c

#cf0cbf · #cf7e0c · #0ccf1c

Contrast

#0c5dcf as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #0b53b7 as the text (7.15:1)
Aaon black
3.48:1failpassfail
  • AA: use #1370f1 as the text (4.62:1)
  • AAA: use #5196f5 as the text (7.03:1)
  • AA: or shift the background to #e0e0e0 (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 #0c5dcf as the background.

Brands using this color

Fonts for this mood

#0c5dcf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c5dcf
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 #0c5dcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c5dcf-9ca8c4-df5d4e-201f2d-e9f0f1?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