Color

#388ab2

#388ab2
hex#388ab2
rgbrgb(56, 138, 178)
hslhsl(200, 52%, 46%)
oklchoklch(0.601 0.099 233.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2223

Colors that go with #388ab2

Charcoal, Copper and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b26138

#38b29e · #384db2

#b2388a · #8ab238

Split-complementary

Open in tool →

#b2384d · #b29e38

#9e38b2 · #b26138 · #4db238

Contrast

#388ab2 as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #337ea3 as the text (4.51:1)
  • AAA: use #265d78 as the text (7.19:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.45:1passpassfail
  • AAA: use #4d9ec7 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388ab2 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#388ab2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388ab2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #388ab2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388ab2-9cb2c4-df4e64-1f232d-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