Color

#6bb1eb

#6bb1eb
hex#6bb1eb
rgbrgb(107, 177, 235)
hslhsl(207, 76%, 67%)
oklchoklch(0.737 0.11 245.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.4057

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eba46b

#6bebe4 · #6b71eb

#eb6bb1 · #b1eb6b

Split-complementary

Open in tool →

#eb6b71 · #ebe46b

#e46beb · #eba46b · #71eb6b

Contrast

#6bb1eb as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #1b79c5 as the text (4.58:1)
  • AAA: use #145b94 as the text (7.11:1)
  • AA: or shift the background to #3d3d3d (4.71:1)
  • AAA: or shift the background to #1f1f1f (7.15:1)
Aaon black
9.11:1passpasspassPasses 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 #6bb1eb as the background.

Brands using this color

Fonts for this mood

#6bb1eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6bb1eb
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 #6bb1eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6bb1eb-9cadc4-df4e53-1f212d-e9f1f1?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