Color

#257dad

#257dad
hex#257dad
rgbrgb(37, 125, 173)
hslhsl(201, 65%, 41%)
oklchoklch(0.561 0.109 237.8)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1808

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ad5425

#25ad98 · #2539ad

#ad257d · #7dad25

Split-complementary

Open in tool →

#ad2539 · #ad9825

#9825ad · #ad5425 · #39ad25

Contrast

#257dad as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #1c5e82 as the text (7.06:1)
Aaon black
4.62:1passpassfail
  • AAA: use #399fd5 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257dad 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

#257dad reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #257dad
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 #257dad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257dad-9cb1c4-df4e62-1f222d-e9f1f0?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