Color

#6cb4e4

#6cb4e4
hex#6cb4e4
rgbrgb(108, 180, 228)
hslhsl(204, 69%, 66%)
oklchoklch(0.741 0.1 239.3)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.4143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e49c6c

#6ce4d8 · #6c78e4

#e46cb4 · #b4e46c

Split-complementary

Open in tool →

#e46c78 · #e4d86c

#d86ce4 · #e49c6c · #78e46c

Contrast

#6cb4e4 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #217ab5 as the text (4.65:1)
  • AAA: use #195d8a as the text (7.06:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #6cb4e4 as the background.

Brands using this color

Fonts for this mood

#6cb4e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6cb4e4
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 #6cb4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6cb4e4-9cafc4-df4e5a-1f222d-e9f1f0?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