Color

#235b71

#235b71
hex#235b71
rgbrgb(35, 91, 113)
hslhsl(197, 53%, 29%)
oklchoklch(0.444 0.068 227.3)
Closest name: Atlantis (#336172)Relative luminance 0.0903

Colors that go with #235b71

Crimson, Royal Blue and Sienna 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 →

#713923

#237160 · #233471

#71235b · #5b7123

Split-complementary

Open in tool →

#712334 · #716023

#602371 · #713923 · #347123

Contrast

#235b71 as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #307d9c as the text (4.54:1)
  • AAA: use #44a1c5 as the text (7.15:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #235b71 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

#235b71 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #235b71
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 #235b71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/235b71-9cb4c4-df4e6b-1f232d-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