Color

#1c36ca

#1c36ca
hex#1c36ca
rgbrgb(28, 54, 202)
hslhsl(231, 76%, 45%)
oklchoklch(0.434 0.226 266.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0715

Colors that go with #1c36ca

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 →

#cab01c

#1c8dca · #591cca

#ca1c36 · #36ca1c

Split-complementary

Open in tool →

#ca591c · #8dca1c

#ca1c8d · #cab01c · #1cca59

Contrast

#1c36ca as textRatioAAAA largeAAAFix
Aaon white
8.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #546be8 as the text (4.65:1)
  • AAA: use #8192ee as the text (7.28:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c36ca as the background.

Brands using this color

Fonts for this mood

#1c36ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c36ca
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 #1c36ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c36ca-9c9ec4-df834e-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