Color

#33a1cc

#33a1cc
hex#33a1cc
rgbrgb(51, 161, 204)
hslhsl(197, 60%, 50%)
oklchoklch(0.667 0.115 228.8)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3055

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc5e33

#33ccab · #3354cc

#cc33a1 · #a1cc33

Split-complementary

Open in tool →

#cc3354 · #ccab33

#ab33cc · #cc5e33 · #54cc33

Contrast

#33a1cc as textRatioAAAA largeAAAFix
Aaon white
2.95:1failfailfail
  • AA: use #287d9f as the text (4.64:1)
  • AAA: use #1e5d76 as the text (7.29:1)
  • AA: or shift the background to #2e2e2e (4.6:1)
  • AAA: or shift the background to #000000 (7.11:1)
Aaon black
7.11:1passpasspassPasses 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 #33a1cc 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

#33a1cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33a1cc
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 #33a1cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33a1cc-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