Color

#1236ca

#1236ca
hex#1236ca
rgbrgb(18, 54, 202)
hslhsl(228, 84%, 43%)
oklchoklch(0.431 0.228 265.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0703

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#caa512

#1292ca · #4912ca

#ca1236 · #36ca12

Split-complementary

Open in tool →

#ca4912 · #92ca12

#ca1292 · #caa512 · #12ca49

Contrast

#1236ca as textRatioAAAA largeAAAFix
Aaon white
8.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #4869ef as the text (4.54:1)
  • AAA: use #7790f3 as the text (7.07:1)
  • AA: or shift the background to #bdbdbd (4.65:1)
  • AAA: or shift the background to #e8e8e8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1236ca as the background.

Brands using this color

Fonts for this mood

#1236ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1236ca
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1236ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1236ca-9c9fc4-df7c4e-231f2d-e9eff1?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