Color

#2f4cf4

#2f4cf4
hex#2f4cf4
rgbrgb(47, 76, 244)
hslhsl(231, 90%, 57%)
oklchoklch(0.517 0.25 267.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.123

Colors that go with #2f4cf4

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 →

#f4d62f

#2faff4 · #742ff4

#f42f4c · #4cf42f

Split-complementary

Open in tool →

#f4742f · #aff42f

#f42faf · #f4d62f · #2ff474

Contrast

#2f4cf4 as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #1b3cf3 as the text (7.03:1)
Aaon black
3.46:1failpassfail
  • AA: use #5169f6 as the text (4.7:1)
  • AAA: use #7c8ff8 as the text (7.14:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4cf4 as the background.

Brands using this color

Fonts for this mood

#2f4cf4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4cf4
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 #2f4cf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4cf4-9c9ec4-df834e-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