Color

#1d0891

#1d0891
hex#1d0891
rgbrgb(29, 8, 145)
hslhsl(249, 90%, 30%)
oklchoklch(0.314 0.195 272.3)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0248

Colors that go with #1d0891

Steel Blue, Crimson and Denim 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 →

#7d9108

#083891 · #610891

#911c08 · #08911c

Split-complementary

Open in tool →

#916108 · #389108

#910838 · #7d9108 · #089161

Contrast

#1d0891 as textRatioAAAA largeAAAFix
Aaon white
14.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #725af6 as the text (4.51:1)
  • AAA: use #9786f9 as the text (7.09:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d0891 as the background.

Brands using this color

Fonts for this mood

#1d0891 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d0891
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 #1d0891 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d0891-a79cc4-dfae4e-271f2d-e9ecf1?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