Color

#658ffb

#658ffb
hex#658ffb
rgbrgb(101, 143, 251)
hslhsl(223, 95%, 69%)
oklchoklch(0.671 0.167 266.1)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2938

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbd065

#65dbfb · #8565fb

#fb658f · #8ffb65

Split-complementary

Open in tool →

#fb8565 · #dbfb65

#fb65db · #fbd065 · #65fb85

Contrast

#658ffb as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #336bfa as the text (4.54:1)
  • AAA: use #0645e5 as the text (7.02:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.88:1passpassfail
  • AAA: use #6a93fb 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 #658ffb 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

#658ffb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #658ffb
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 #658ffb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658ffb-9ca3c4-df704e-211f2d-e9eff1?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