Color

#2f3dfe

#2f3dfe
hex#2f3dfe
rgbrgb(47, 61, 254)
hslhsl(236, 99%, 59%)
oklchoklch(0.506 0.275 268.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.111

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fef02f

#2fa4fe · #892ffe

#fe2f3d · #3dfe2f

Split-complementary

Open in tool →

#fe892f · #a4fe2f

#fe2fa4 · #fef02f · #2ffe89

Contrast

#2f3dfe as textRatioAAAA largeAAAFix
Aaon white
6.52:1passpassfail
  • AAA: use #2533fe as the text (7.04:1)
Aaon black
3.22:1failpassfail
  • AA: use #5863fe as the text (4.63:1)
  • AAA: use #858dfe as the text (7.24:1)
  • AA: or shift the background to #d9d9d9 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f3dfe 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

#2f3dfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3dfe
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2f3dfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3dfe-9e9cc4-df8f4e-241f2d-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