Color

#33adeb

#33adeb
hex#33adeb
rgbrgb(51, 173, 235)
hslhsl(200, 82%, 56%)
oklchoklch(0.709 0.137 236.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.3659

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb7033

#33ebcc · #3351eb

#eb33ad · #adeb33

Split-complementary

Open in tool →

#eb3351 · #ebcc33

#cc33eb · #eb7033 · #51eb33

Contrast

#33adeb as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #117bb0 as the text (4.68:1)
  • AAA: use #0d5e87 as the text (7.08:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.1:1)
Aaon black
8.32:1passpasspassPasses 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 #33adeb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/33adeb-9cb2c4-df4e64-1f232d-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