Color

#40a0ba

#40a0ba
hex#40a0ba
rgbrgb(64, 160, 186)
hslhsl(193, 49%, 49%)
oklchoklch(0.66 0.096 218.9)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2978

Colors that go with #40a0ba

Charcoal, Terracotta and Amber 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.

Real palettes that use #40a0ba

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba5a40

#40ba97 · #4062ba

#ba40a0 · #a0ba40

Split-complementary

Open in tool →

#ba4062 · #ba9740

#9740ba · #ba5a40 · #62ba40

Contrast

#40a0ba as textRatioAAAA largeAAAFix
Aaon white
3.02:1failpassfail
  • AA: use #337f94 as the text (4.56:1)
  • AAA: use #265e6e as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.69:1)
Aaon black
6.96:1passpassfail
  • AAA: use #41a3be as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a0ba 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

#40a0ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40a0ba
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 #40a0ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a0ba-a2b5be-df4e75-1f242d-e9f1ef?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