Color

#33a7fa

#33a7fa
hex#33a7fa
rgbrgb(51, 167, 250)
hslhsl(205, 95%, 59%)
oklchoklch(0.704 0.157 245)
Closest name: Cerulean (#55aaee)Relative luminance 0.3524

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa8633

#33fae9 · #3344fa

#fa33a7 · #a7fa33

Split-complementary

Open in tool →

#fa3344 · #fae933

#e933fa · #fa8633 · #44fa33

Contrast

#33a7fa as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #0579cc as the text (4.55:1)
  • AAA: use #045995 as the text (7.32:1)
  • AA: or shift the background to #363636 (4.63:1)
  • AAA: or shift the background to #141414 (7.06:1)
Aaon black
8.05:1passpasspassPasses 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 #33a7fa as the background.

Brands using this color

Fonts for this mood

#33a7fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33a7fa
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 #33a7fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33a7fa-9cafc4-df4e58-1f212d-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