Color

#0f58bd

#0f58bd
hex#0f58bd
rgbrgb(15, 88, 189)
hslhsl(215, 85%, 40%)
oklchoklch(0.482 0.173 258.8)
Closest name: Denim (#1560bd)Relative luminance 0.1076

Colors that go with #0f58bd

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 →

#bd740f

#0faebd · #1e0fbd

#bd0f58 · #58bd0f

Split-complementary

Open in tool →

#bd1e0f · #aebd0f

#bd0fae · #bd740f · #0fbd1e

Contrast

#0f58bd as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #0f53b3 as the text (7.22:1)
Aaon black
3.15:1failpassfail
  • AA: use #1870ec as the text (4.57:1)
  • AAA: use #5596f1 as the text (7.02:1)
  • AA: or shift the background to #d6d6d6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f58bd as the background.

Brands using this color

Fonts for this mood

#0f58bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f58bd
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 #0f58bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f58bd-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