Color

#0397ab

#0397ab
hex#0397ab
rgbrgb(3, 151, 171)
hslhsl(187, 97%, 34%)
oklchoklch(0.621 0.107 211.2)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2509

Colors that go with #0397ab

Charcoal, Copper and Red 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 →

#ab1603

#03ab6a · #0343ab

#ab0397 · #97ab03

Split-complementary

Open in tool →

#ab0343 · #ab6a03

#6a03ab · #ab1603 · #43ab03

Contrast

#0397ab as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #028192 as the text (4.61:1)
  • AAA: use #02626f as the text (7.05:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.02:1passpassfail
  • AAA: use #03a5ba as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0397ab 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

#0397ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0397ab
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 #0397ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0397ab-a2b8be-df4e83-1f262d-e9f1ee?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