Color

#2b58bf

#2b58bf
hex#2b58bf
rgbrgb(43, 88, 191)
hslhsl(222, 63%, 46%)
oklchoklch(0.491 0.17 263.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf932b

#2ba2bf · #492bbf

#bf2b58 · #58bf2b

Split-complementary

Open in tool →

#bf492b · #a2bf2b

#bf2ba2 · #bf932b · #2bbf49

Contrast

#2b58bf as textRatioAAAA largeAAAFix
Aaon white
6.46:1passpassfail
  • AAA: use #2952b3 as the text (7.11:1)
Aaon black
3.25:1failpassfail
  • AA: use #4873d5 as the text (4.69:1)
  • AAA: use #7696e0 as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (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 #2b58bf 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

#2b58bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b58bf
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 #2b58bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b58bf-9ca3c4-df6e4e-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