Color

#235fa9

#235fa9
hex#235fa9
rgbrgb(35, 95, 169)
hslhsl(213, 66%, 40%)
oklchoklch(0.487 0.134 255.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1141

Colors that go with #235fa9

Charcoal, Crimson 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 →

#a96d23

#23a3a9 · #2923a9

#a9235f · #5fa923

Split-complementary

Open in tool →

#a92923 · #a3a923

#a923a3 · #a96d23 · #23a929

Contrast

#235fa9 as textRatioAAAA largeAAAFix
Aaon white
6.4:1passpassfail
  • AAA: use #20589d as the text (7.13:1)
Aaon black
3.28:1failpassfail
  • AA: use #2a75cf as the text (4.54:1)
  • AAA: use #5e98de as the text (7.02:1)
  • AA: or shift the background to #d9d9d9 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #235fa9 as the background.

Brands using this color

Fonts for this mood

#235fa9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #235fa9
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 #235fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/235fa9-9ca9c4-df584e-1f202d-e9f0f1?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