Color

#2457bc

#2457bc
hex#2457bc
rgbrgb(36, 87, 188)
hslhsl(220, 68%, 44%)
oklchoklch(0.484 0.169 262.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc8a24

#24a3bc · #3d24bc

#bc2457 · #57bc24

Split-complementary

Open in tool →

#bc3d24 · #a3bc24

#bc24a3 · #bc8a24 · #24bc3d

Contrast

#2457bc as textRatioAAAA largeAAAFix
Aaon white
6.64:1passpassfail
  • AAA: use #2253b4 as the text (7.08:1)
Aaon black
3.16:1failpassfail
  • AA: use #3e72da as the text (4.62:1)
  • AAA: use #6d95e3 as the text (7.06:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2457bc as the background.

Brands using this color

Fonts for this mood

#2457bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2457bc
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 #2457bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2457bc-9ca5c4-df694e-211f2d-e9f0f1?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