Color

#1e58cc

#1e58cc
hex#1e58cc
rgbrgb(30, 88, 204)
hslhsl(220, 74%, 46%)
oklchoklch(0.497 0.19 262.1)
Closest name: Denim (#1560bd)Relative luminance 0.1162

Colors that go with #1e58cc

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc921e

#1eafcc · #3b1ecc

#cc1e58 · #58cc1e

Split-complementary

Open in tool →

#cc3b1e · #afcc1e

#cc1eaf · #cc921e · #1ecc3b

Contrast

#1e58cc as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #1c51ba as the text (7.15:1)
Aaon black
3.32:1failpassfail
  • AA: use #3770e1 as the text (4.57:1)
  • AAA: use #6d96e9 as the text (7.19:1)
  • AA: or shift the background to #dbdbdb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e58cc as the background.

Brands using this color

Fonts for this mood

#1e58cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e58cc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1e58cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e58cc-9ca5c4-df694e-211f2d-e9f0f1?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