Color

#1d82aa

#1d82aa
hex#1d82aa
rgbrgb(29, 130, 170)
hslhsl(197, 71%, 39%)
oklchoklch(0.57 0.106 230.6)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1913

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa451d

#1daa8b · #1d3baa

#aa1d82 · #82aa1d

Split-complementary

Open in tool →

#aa1d3b · #aa8b1d

#8b1daa · #aa451d · #3baa1d

Contrast

#1d82aa as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #1c7fa6 as the text (4.53:1)
  • AAA: use #155d7a as the text (7.3:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #23a0d1 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d82aa as the background.

Brands using this color

Fonts for this mood

#1d82aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d82aa
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 #1d82aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d82aa-9cb4c4-df4e6b-1f232d-e9f1ef?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