Color

#1d6290

#1d6290
hex#1d6290
rgbrgb(29, 98, 144)
hslhsl(204, 66%, 34%)
oklchoklch(0.477 0.1 242.8)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1101

Colors that go with #1d6290

Charcoal, Royal Blue and Sienna 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 →

#904b1d

#1d9084 · #1d2990

#901d62 · #62901d

Split-complementary

Open in tool →

#901d29 · #90841d

#841d90 · #904b1d · #29901d

Contrast

#1d6290 as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #1c5c87 as the text (7.17:1)
Aaon black
3.2:1failpassfail
  • AA: use #257cb6 as the text (4.64:1)
  • AAA: use #459ed9 as the text (7.15:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d6290 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d6290 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d6290
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 #1d6290 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d6290-9cafc4-df4e5a-1f222d-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