Color

#235b85

#235b85
hex#235b85
rgbrgb(35, 91, 133)
hslhsl(206, 58%, 33%)
oklchoklch(0.455 0.09 244.5)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0953

Colors that go with #235b85

Royal Blue, Sienna 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 →

#854e23

#23857e · #232a85

#85235b · #5b8523

Split-complementary

Open in tool →

#85232a · #857e23

#7e2385 · #854e23 · #2a8523

Contrast

#235b85 as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #307cb5 as the text (4.68:1)
  • AAA: use #569cd2 as the text (7.08:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #235b85 as the background.

Brands using this color

Fonts for this mood

#235b85 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #235b85
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 #235b85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/235b85-9caec4-df4e56-1f212d-e9f1f1?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