Color

#2f57bc

#2f57bc
hex#2f57bc
rgbrgb(47, 87, 188)
hslhsl(223, 60%, 46%)
oklchoklch(0.488 0.166 264.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1105

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc942f

#2f9dbc · #4d2fbc

#bc2f57 · #57bc2f

Split-complementary

Open in tool →

#bc4d2f · #9dbc2f

#bc2f9d · #bc942f · #2fbc4d

Contrast

#2f57bc as textRatioAAAA largeAAAFix
Aaon white
6.54:1passpassfail
  • AAA: use #2c51af as the text (7.23:1)
Aaon black
3.21:1failpassfail
  • AA: use #4b72d2 as the text (4.64:1)
  • AAA: use #7895dd as the text (7.14:1)
  • AA: or shift the background to #d6d6d6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f57bc 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

#2f57bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f57bc
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 #2f57bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f57bc-9ca3c4-df704e-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