Color

#0f53d2

#0f53d2
hex#0f53d2
rgbrgb(15, 83, 210)
hslhsl(219, 87%, 44%)
oklchoklch(0.489 0.206 261.8)
Closest name: Denim (#1560bd)Relative luminance 0.1094

Colors that go with #0f53d2

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 →

#d28d0f

#0fb5d2 · #2c0fd2

#d20f53 · #53d20f

Split-complementary

Open in tool →

#d22c0f · #b5d20f

#d20fb5 · #d28d0f · #0fd22c

Contrast

#0f53d2 as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #0e4fc8 as the text (7.07:1)
Aaon black
3.19:1failpassfail
  • AA: use #286ef0 as the text (4.58:1)
  • AAA: use #6295f4 as the text (7.12:1)
  • AA: or shift the background to #d6d6d6 (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 #0f53d2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f53d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f53d2
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 #0f53d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f53d2-9ca5c4-df664e-211f2d-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