Color

#2700eb

#2700eb
hex#2700eb
rgbrgb(39, 0, 235)
hslhsl(250, 100%, 46%)
oklchoklch(0.435 0.288 269)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0643

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3eb00

#004eeb · #9c00eb

#eb2700 · #00eb27

Split-complementary

Open in tool →

#eb9c00 · #4eeb00

#eb004e · #c3eb00 · #00eb9c

Contrast

#2700eb as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #7357ff as the text (4.54:1)
  • AAA: use #9985ff as the text (7.15:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2700eb 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

#2700eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2700eb
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 #2700eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2700eb-a79cc4-dfb14e-281f2d-e9ecf1?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