Color

#235da9

#235da9
hex#235da9
rgbrgb(35, 93, 169)
hslhsl(214, 66%, 40%)
oklchoklch(0.482 0.136 256.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1105

Colors that go with #235da9

Charcoal, Crimson 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 →

#a96f23

#23a0a9 · #2c23a9

#a9235d · #5da923

Split-complementary

Open in tool →

#a92c23 · #a0a923

#a923a0 · #a96f23 · #23a92c

Contrast

#235da9 as textRatioAAAA largeAAAFix
Aaon white
6.54:1passpassfail
  • AAA: use #2158a1 as the text (7.06:1)
Aaon black
3.21:1failpassfail
  • AA: use #2b74d4 as the text (4.55:1)
  • AAA: use #6298df as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #235da9 as the background.

Brands using this color

Fonts for this mood

#235da9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #235da9
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 #235da9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/235da9-9ca9c4-df5a4e-1f1f2d-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