Color

#1e83ae

#1e83ae
hex#1e83ae
rgbrgb(30, 131, 174)
hslhsl(198, 71%, 40%)
oklchoklch(0.575 0.109 232.4)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1956

Colors that go with #1e83ae

Charcoal, Crimson and Royal Blue 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 →

#ae491e

#1eae91 · #1e3bae

#ae1e83 · #83ae1e

Split-complementary

Open in tool →

#ae1e3b · #ae911e

#911eae · #ae491e · #3bae1e

Contrast

#1e83ae as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #1c7ca6 as the text (4.68:1)
  • AAA: use #155f7e as the text (7.07:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.91:1passpassfail
  • AAA: use #24a0d6 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e83ae as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e83ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e83ae
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 #1e83ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e83ae-9cb3c4-df4e69-1f232d-e9f1f0?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