Color

#388ec7

#388ec7
hex#388ec7
rgbrgb(56, 142, 199)
hslhsl(204, 56%, 50%)
oklchoklch(0.621 0.119 241.6)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2431

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c77138

#38c7b9 · #3846c7

#c7388e · #8ec738

Split-complementary

Open in tool →

#c73846 · #c7b938

#b938c7 · #c77138 · #46c738

Contrast

#388ec7 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #307aab as the text (4.67:1)
  • AAA: use #245b7f as the text (7.3:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail
  • AAA: use #549ecf as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388ec7 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

#388ec7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388ec7
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 #388ec7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388ec7-9cafc4-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