Color

#38acfa

#38acfa
hex#38acfa
rgbrgb(56, 172, 250)
hslhsl(204, 95%, 60%)
oklchoklch(0.716 0.152 243.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3725

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa8638

#38fae7 · #384bfa

#fa38ac · #acfa38

Split-complementary

Open in tool →

#fa384b · #fae738

#e738fa · #fa8638 · #4bfa38

Contrast

#38acfa as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #0579c7 as the text (4.6:1)
  • AAA: use #045b95 as the text (7.15:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7:1)
Aaon black
8.45:1passpasspassPasses 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 #38acfa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#38acfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #38acfa
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 #38acfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/38acfa-9cafc4-df4e5a-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