Color

#0f2eb8

#0f2eb8
hex#0f2eb8
rgbrgb(15, 46, 184)
hslhsl(229, 85%, 39%)
oklchoklch(0.399 0.215 265.3)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0552

Colors that go with #0f2eb8

Charcoal, Steel Blue and Blue 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 →

#b8990f

#0f82b8 · #440fb8

#b80f2e · #2eb80f

Split-complementary

Open in tool →

#b8440f · #82b80f

#b80f82 · #b8990f · #0fb844

Contrast

#0f2eb8 as textRatioAAAA largeAAAFix
Aaon white
9.98:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #4c6af0 as the text (4.63:1)
  • AAA: use #7b91f4 as the text (7.2:1)
  • AA: or shift the background to #b0b0b0 (4.6:1)
  • AAA: or shift the background to #d9d9d9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f2eb8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0f2eb8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f2eb8
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 #0f2eb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f2eb8-9c9fc4-df7e4e-231f2d-e9eef1?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