Color

#2857bd

#2857bd
hex#2857bd
rgbrgb(40, 87, 189)
hslhsl(221, 65%, 45%)
oklchoklch(0.486 0.169 263)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1094

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd8e28

#28a2bd · #4428bd

#bd2857 · #57bd28

Split-complementary

Open in tool →

#bd4428 · #a2bd28

#bd28a2 · #bd8e28 · #28bd44

Contrast

#2857bd as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #2552b1 as the text (7.19:1)
Aaon black
3.19:1failpassfail
  • AA: use #4271d7 as the text (4.57:1)
  • AAA: use #7094e1 as the text (7.01:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2857bd as the background.

Brands using this color

Fonts for this mood

#2857bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2857bd
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 #2857bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2857bd-9ca4c4-df6b4e-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