Color

#2b5dca

#2b5dca
hex#2b5dca
rgbrgb(43, 93, 202)
hslhsl(221, 65%, 48%)
oklchoklch(0.509 0.178 263)
Closest name: God of Rain (#4466cc)Relative luminance 0.1261

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca982b

#2badca · #482bca

#ca2b5d · #5dca2b

Split-complementary

Open in tool →

#ca482b · #adca2b

#ca2bad · #ca982b · #2bca48

Contrast

#2b5dca as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #2552b1 as the text (7.19:1)
Aaon black
3.52:1failpassfail
  • AA: use #4271d7 as the text (4.57:1)
  • AAA: use #7094e1 as the text (7.01:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b5dca as the background.

Brands using this color

Fonts for this mood

#2b5dca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b5dca
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 #2b5dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b5dca-9ca4c4-df6b4e-211f2d-e9eff1?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