Color

#1d20cd

#1d20cd
hex#1d20cd
rgbrgb(29, 32, 205)
hslhsl(239, 75%, 46%)
oklchoklch(0.411 0.247 267.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.057

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdca1d

#1d78cd · #721dcd

#cd1d20 · #20cd1d

Split-complementary

Open in tool →

#cd721d · #78cd1d

#cd1d78 · #cdca1d · #1dcd72

Contrast

#1d20cd as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #6365e9 as the text (4.57:1)
  • AAA: use #8b8dee as the text (7.14:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d20cd 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

#1d20cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d20cd
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 #1d20cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d20cd-a09cc4-df964e-251f2d-e9edf1?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