Color

#1836cd

#1836cd
hex#1836cd
rgbrgb(24, 54, 205)
hslhsl(230, 79%, 45%)
oklchoklch(0.436 0.23 266)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0724

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdaf18

#1891cd · #5518cd

#cd1836 · #36cd18

Split-complementary

Open in tool →

#cd5518 · #91cd18

#cd1891 · #cdaf18 · #18cd55

Contrast

#1836cd as textRatioAAAA largeAAAFix
Aaon white
8.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #526beb as the text (4.66:1)
  • AAA: use #7f92f0 as the text (7.27:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1836cd as the background.

Brands using this color

Fonts for this mood

#1836cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1836cd
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 #1836cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1836cd-9c9ec4-df814e-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