Color

#2d5bf0

#2d5bf0
hex#2d5bf0
rgbrgb(45, 91, 240)
hslhsl(226, 87%, 56%)
oklchoklch(0.538 0.229 265.6)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1433

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0c32d

#2dbcf0 · #612df0

#f02d5b · #5bf02d

Split-complementary

Open in tool →

#f0612d · #bcf02d

#f02dbc · #f0c32d · #2df061

Contrast

#2d5bf0 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #1042e5 as the text (7.16:1)
Aaon black
3.87:1failpassfail
  • AA: use #406af2 as the text (4.56:1)
  • AAA: use #7593f5 as the text (7.25:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d5bf0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2d5bf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d5bf0
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 #2d5bf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d5bf0-9ca1c4-df774e-221f2d-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