Color

#659be7

#659be7
hex#659be7
rgbrgb(101, 155, 231)
hslhsl(215, 73%, 65%)
oklchoklch(0.685 0.127 257.1)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7b165

#65dce7 · #6f65e7

#e7659b · #9be765

Split-complementary

Open in tool →

#e76f65 · #dce765

#e765dc · #e7b165 · #65e76f

Contrast

#659be7 as textRatioAAAA largeAAAFix
Aaon white
2.84:1failfailfail
  • AA: use #2773dd as the text (4.58:1)
  • AAA: use #1a55a8 as the text (7.22:1)
  • AA: or shift the background to #303030 (4.65:1)
  • AAA: or shift the background to #080808 (7.05:1)
Aaon black
7.4:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #659be7 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

#659be7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #659be7
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 #659be7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659be7-9ca8c4-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