Color

#33d5fa

#33d5fa
hex#33d5fa
rgbrgb(51, 213, 250)
hslhsl(191, 95%, 59%)
oklchoklch(0.809 0.135 217.7)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5519

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa5833

#33fabb · #3372fa

#fa33d5 · #d5fa33

Split-complementary

Open in tool →

#fa3372 · #fabb33

#bb33fa · #fa5833 · #72fa33

Contrast

#33d5fa as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #047f9a as the text (4.66:1)
  • AAA: use #035e72 as the text (7.37:1)
  • AA: or shift the background to #4f4f4f (4.7:1)
  • AAA: or shift the background to #333333 (7.24:1)
Aaon black
12.04:1passpasspassPasses 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 #33d5fa as the background.

Brands using this color

Fonts for this mood

#33d5fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33d5fa
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 #33d5fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33d5fa-a2b6be-df4e7a-1f252d-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