Color

#1827cd

#1827cd
hex#1827cd
rgbrgb(24, 39, 205)
hslhsl(235, 79%, 45%)
oklchoklch(0.416 0.243 266.8)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0605

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdbe18

#1882cd · #6418cd

#cd1827 · #27cd18

Split-complementary

Open in tool →

#cd6418 · #82cd18

#cd1882 · #cdbe18 · #18cd64

Contrast

#1827cd as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #5b67ec as the text (4.6:1)
  • AAA: use #848df1 as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (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 #1827cd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1827cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1827cd
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 #1827cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1827cd-9e9cc4-df8d4e-241f2d-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