Color

#659da4

#659da4
hex#659da4
rgbrgb(101, 157, 164)
hslhsl(187, 26%, 52%)
oklchoklch(0.66 0.06 205.8)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2956

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a46c65

#65a48c · #657da4

#a4659d · #9da465

Split-complementary

Open in tool →

#a4657d · #a48c65

#8c65a4 · #a46c65 · #7da465

Contrast

#659da4 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #4d7d84 as the text (4.58:1)
  • AAA: use #395c60 as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.91:1passpassfail
  • AAA: use #689fa6 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #659da4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #659da4
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 #659da4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659da4-a2b8be-df4e83-1f262d-e9f1ee?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