Color

#1d27d7

#1d27d7
hex#1d27d7
rgbrgb(29, 39, 215)
hslhsl(237, 76%, 48%)
oklchoklch(0.43 0.253 267.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0662

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d7ce1d

#1d84d7 · #711dd7

#d71d27 · #27d71d

Split-complementary

Open in tool →

#d7711d · #84d71d

#d71d84 · #d7ce1d · #1dd771

Contrast

#1d27d7 as textRatioAAAA largeAAAFix
Aaon white
9.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #6269ea as the text (4.73:1)
  • AAA: use #8a8fef as the text (7.26:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d27d7 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

#1d27d7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d27d7
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 #1d27d7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d27d7-9f9cc4-df924e-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