Color

#1235ce

#1235ce
hex#1235ce
rgbrgb(18, 53, 206)
hslhsl(229, 84%, 44%)
oklchoklch(0.434 0.233 265.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0713

Colors that go with #1235ce

Charcoal, Sea Green and Steel Blue 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 →

#ceac12

#1293ce · #4e12ce

#ce1235 · #35ce12

Split-complementary

Open in tool →

#ce4e12 · #93ce12

#ce1293 · #ceac12 · #12ce4e

Contrast

#1235ce as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #4d6bef as the text (4.67:1)
  • AAA: use #7c92f4 as the text (7.27:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1235ce as the background.

Brands using this color

Fonts for this mood

#1235ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1235ce
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 #1235ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1235ce-9c9fc4-df7e4e-231f2d-e9eef1?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