Color

#63a5bf

#63a5bf
hex#63a5bf
rgbrgb(99, 165, 191)
hslhsl(197, 42%, 57%)
oklchoklch(0.688 0.077 225.3)
Closest name: Frozen Wave (#56acca)Relative luminance 0.3332

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf7d63

#63bfab · #6377bf

#bf63a5 · #a5bf63

Split-complementary

Open in tool →

#bf6377 · #bfab63

#ab63bf · #bf7d63 · #77bf63

Contrast

#63a5bf as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #3d7c94 as the text (4.66:1)
  • AAA: use #2e5d70 as the text (7.2:1)
  • AA: or shift the background to #333333 (4.61:1)
  • AAA: or shift the background to #0d0d0d (7.09:1)
Aaon black
7.66:1passpasspassPasses 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 #63a5bf 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

#63a5bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63a5bf
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 #63a5bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63a5bf-9cb4c4-df4e6b-1f232d-e9f1ef?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