Color

#256dad

#256dad
hex#256dad
rgbrgb(37, 109, 173)
hslhsl(208, 65%, 41%)
oklchoklch(0.523 0.123 249.4)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1435

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ad6425

#25ada8 · #2529ad

#ad256d · #6dad25

Split-complementary

Open in tool →

#ad2529 · #ada825

#a825ad · #ad6425 · #29ad25

Contrast

#256dad as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #1e5a8f as the text (7.21:1)
Aaon black
3.87:1failpassfail
  • AA: use #2878bd as the text (4.51:1)
  • AAA: use #529bda as the text (7.06:1)
  • AA: or shift the background to #ebebeb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #256dad 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

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

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

tool url/palettes/new/256dad-9cadc4-df4e51-1f212d-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