Color

#1e2bb3

#1e2bb3
hex#1e2bb3
rgbrgb(30, 43, 179)
hslhsl(235, 71%, 41%)
oklchoklch(0.393 0.209 268.5)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0526

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b3a61e

#1e75b3 · #5c1eb3

#b31e2b · #2bb31e

Split-complementary

Open in tool →

#b35c1e · #75b31e

#b31e75 · #b3a61e · #1eb35c

Contrast

#1e2bb3 as textRatioAAAA largeAAAFix
Aaon white
10.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #5e69e4 as the text (4.62:1)
  • AAA: use #8991eb as the text (7.31:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (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 #1e2bb3 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

#1e2bb3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e2bb3
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 #1e2bb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e2bb3-9e9cc4-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