Color

#33a7ff

#33a7ff
hex#33a7ff
rgbrgb(51, 167, 255)
hslhsl(206, 100%, 60%)
oklchoklch(0.706 0.163 246.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3556

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff8b33

#33fff1 · #3341ff

#ff33a7 · #a7ff33

Split-complementary

Open in tool →

#ff3341 · #fff133

#f133ff · #ff8b33 · #41ff33

Contrast

#33a7ff as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #0076d1 as the text (4.65:1)
  • AAA: use #005a9e as the text (7.1:1)
  • AA: or shift the background to #383838 (4.53:1)
  • AAA: or shift the background to #141414 (7.12:1)
Aaon black
8.11:1passpasspassPasses 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 #33a7ff as the background.

Brands using this color

Fonts for this mood

#33a7ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33a7ff
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 #33a7ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33a7ff-9caec4-df4e56-1f212d-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