Color

#2491cc

#2491cc
hex#2491cc
rgbrgb(36, 145, 204)
hslhsl(201, 70%, 47%)
oklchoklch(0.625 0.128 238.6)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2499

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc5f24

#24ccb3 · #243dcc

#cc2491 · #91cc24

Split-complementary

Open in tool →

#cc243d · #ccb324

#b324cc · #cc5f24 · #3dcc24

Contrast

#2491cc as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #1f7bad as the text (4.67:1)
  • AAA: use #175d82 as the text (7.18:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #2f9eda as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2491cc 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

#2491cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2491cc
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 #2491cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2491cc-9cb1c4-df4e62-1f222d-e9f1f0?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