Color

#34aaef

#34aaef
hex#34aaef
rgbrgb(52, 170, 239)
hslhsl(202, 85%, 57%)
oklchoklch(0.705 0.143 239.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.3571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7834

#34efd6 · #344def

#ef34aa · #aaef34

Split-complementary

Open in tool →

#ef344d · #efd634

#d634ef · #ef7834 · #4def34

Contrast

#34aaef as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #0f7ab8 as the text (4.67:1)
  • AAA: use #0b5b89 as the text (7.31:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.14:1)
Aaon black
8.14:1passpasspassPasses 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 #34aaef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#34aaef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34aaef
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 #34aaef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34aaef-9cb1c4-df4e5f-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