Color

#2b58fd

#2b58fd
hex#2b58fd
rgbrgb(43, 88, 253)
hslhsl(227, 98%, 58%)
oklchoklch(0.544 0.249 265.9)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1458

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdcf2b

#2bc1fd · #662bfd

#fd2b58 · #58fd2b

Split-complementary

Open in tool →

#fd662b · #c1fd2b

#fd2bc1 · #fdcf2b · #2bfd66

Contrast

#2b58fd as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #0339fc as the text (7.01:1)
Aaon black
3.92:1failpassfail
  • AA: use #3f68fd as the text (4.61:1)
  • AAA: use #7290fe as the text (7.14:1)
  • AA: or shift the background to #ededed (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b58fd as the background.

Brands using this color

Fonts for this mood

#2b58fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b58fd
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 #2b58fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b58fd-9ca0c4-df7a4e-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