Color

#038091

#038091
hex#038091
rgbrgb(3, 128, 145)
hslhsl(187, 96%, 29%)
oklchoklch(0.55 0.095 211)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.175

Colors that go with #038091

Charcoal, Rust 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#911403

#03915b · #033991

#910380 · #809103

Split-complementary

Open in tool →

#910339 · #915b03

#5b0391 · #911403 · #399103

Contrast

#038091 as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #02616e as the text (7.15:1)
Aaon black
4.5:1passpassfail
  • AAA: use #04a4b9 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #038091 as the background.

Brands using this color

Fonts for this mood

#038091 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #038091
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 #038091 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/038091-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