Color

#6590cd

#6590cd
hex#6590cd
rgbrgb(101, 144, 205)
hslhsl(215, 51%, 60%)
oklchoklch(0.648 0.104 257.2)
Closest name: Blue Bay (#619ad6)Relative luminance 0.2712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cda265

#65c4cd · #6e65cd

#cd6590 · #90cd65

Split-complementary

Open in tool →

#cd6e65 · #c4cd65

#cd65c4 · #cda265 · #65cd6e

Contrast

#6590cd as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #4277c2 as the text (4.52:1)
  • AAA: use #2f5992 as the text (7.08:1)
  • AA: or shift the background to #262626 (4.63:1)
Aaon black
6.42:1passpassfail
  • AAA: use #7199d1 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6590cd 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

#6590cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6590cd
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 #6590cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6590cd-9ca8c4-df5d4e-201f2d-e9f0f1?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