Color

#31908a

#31908a
hex#31908a
rgbrgb(49, 144, 138)
hslhsl(176, 49%, 38%)
oklchoklch(0.597 0.088 189.1)
Closest name: Highlands (#449084)Relative luminance 0.2243

Colors that go with #31908a

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.

Real palettes that use #31908a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#903138

#31905b · #316790

#8a3190 · #908a31

Split-complementary

Open in tool →

#903167 · #905b31

#5b3190 · #903138 · #679031

Contrast

#31908a as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #2c817c as the text (4.63:1)
  • AAA: use #215f5b as the text (7.36:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #39a7a0 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 #31908a 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

mcpConnect your agent — build around #31908a
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 #31908a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31908a-a2bdbe-d4599d-1f282d-e9f1ed?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