Color

#256eb6

#256eb6
hex#256eb6
rgbrgb(37, 110, 182)
hslhsl(210, 66%, 43%)
oklchoklch(0.531 0.133 251.7)
Closest name: Campanula (#3473b7)Relative luminance 0.1492

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b66e25

#25b6b6 · #2525b6

#b6256e · #6eb625

Split-complementary

Open in tool →

#b62525 · #b6b625

#b625b6 · #b66e25 · #25b625

Contrast

#256eb6 as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #1e5994 as the text (7.21:1)
Aaon black
3.98:1failpassfail
  • AA: use #2978c7 as the text (4.61:1)
  • AAA: use #5a9cdd as the text (7.23:1)
  • AA: or shift the background to #ededed (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 #256eb6 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

#256eb6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #256eb6
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 #256eb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/256eb6-9cabc4-df514e-1f202d-e9f1f1?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