Color

#1e428f

#1e428f
hex#1e428f
rgbrgb(30, 66, 143)
hslhsl(221, 65%, 34%)
oklchoklch(0.401 0.135 262.9)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0616

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f6b1e

#1e7a8f · #331e8f

#8f1e42 · #428f1e

Split-complementary

Open in tool →

#8f331e · #7a8f1e

#8f1e7a · #8f6b1e · #1e8f33

Contrast

#1e428f as textRatioAAAA largeAAAFix
Aaon white
9.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #4271d7 as the text (4.57:1)
  • AAA: use #7094e1 as the text (7.01:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e428f 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

#1e428f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e428f
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 #1e428f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e428f-9ca4c4-df6b4e-211f2d-e9eff1?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