Color

#2f39f4

#2f39f4
hex#2f39f4
rgbrgb(47, 57, 244)
hslhsl(237, 90%, 57%)
oklchoklch(0.49 0.267 269.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1006

Colors that go with #2f39f4

Charcoal, Crimson and Sea Green 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 →

#f4ea2f

#2f9bf4 · #872ff4

#f42f39 · #39f42f

Split-complementary

Open in tool →

#f4872f · #9bf42f

#f42f9b · #f4ea2f · #2ff487

Contrast

#2f39f4 as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #2a34f4 as the text (7.25:1)
Aaon black
3.01:1failpassfail
  • AA: use #5a62f6 as the text (4.51:1)
  • AAA: use #868cf9 as the text (7.13:1)
  • AA: or shift the background to #d1d1d1 (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 #2f39f4 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

#2f39f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f39f4
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 #2f39f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f39f4-9f9cc4-df924e-251f2d-e9edf1?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