Color

#388cdc

#388cdc
hex#388cdc
rgbrgb(56, 140, 220)
hslhsl(209, 70%, 54%)
oklchoklch(0.627 0.145 250.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2476

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc8738

#38dcd9 · #383adc

#dc388c · #8cdc38

Split-complementary

Open in tool →

#dc383a · #dcd938

#d938dc · #dc8738 · #3adc38

Contrast

#388cdc as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #2378c7 as the text (4.58:1)
  • AAA: use #1b5b98 as the text (7.01:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.95:1passpassfail
  • AAA: use #529be0 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388cdc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#388cdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388cdc
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 #388cdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388cdc-9cacc4-df4e4e-1f212d-e9f1f1?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