Color

#2718fb

#2718fb
hex#2718fb
rgbrgb(39, 24, 251)
hslhsl(244, 97%, 54%)
oklchoklch(0.465 0.297 268.3)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0805

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecfb18

#187bfb · #9918fb

#fb2718 · #18fb27

Split-complementary

Open in tool →

#fb9918 · #7bfb18

#fb187b · #ecfb18 · #18fb99

Contrast

#2718fb as textRatioAAAA largeAAAFix
Aaon white
8.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #695efd as the text (4.62:1)
  • AAA: use #938bfd as the text (7.35:1)
  • AA: or shift the background to #c2c2c2 (4.52:1)
  • AAA: or shift the background to #f0f0f0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2718fb as the background.

Brands using this color

Fonts for this mood

#2718fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2718fb
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 #2718fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2718fb-a39cc4-dfa24e-261f2d-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