Color

#0f2fcc

#0f2fcc
hex#0f2fcc
rgbrgb(15, 47, 204)
hslhsl(230, 86%, 43%)
oklchoklch(0.423 0.237 265.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0649

Colors that go with #0f2fcc

Charcoal, Crimson and Steel 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 →

#ccad0f

#0f8dcc · #4e0fcc

#cc0f2f · #2fcc0f

Split-complementary

Open in tool →

#cc4e0f · #8dcc0f

#cc0f8d · #ccad0f · #0fcc4e

Contrast

#0f2fcc as textRatioAAAA largeAAAFix
Aaon white
9.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #4b67f1 as the text (4.51:1)
  • AAA: use #7a8ff5 as the text (7.08:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f2fcc 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

#0f2fcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f2fcc
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 #0f2fcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f2fcc-9c9ec4-df814e-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