Color

#1d045d

#1d045d
hex#1d045d
rgbrgb(29, 4, 93)
hslhsl(257, 92%, 19%)
oklchoklch(0.242 0.137 282.2)
Closest name: Blackmail (#220066)Relative luminance 0.0114

Tints & shades

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

Harmonies

Complementary

Open in tool →

#445d04

#04175d · #4a045d

#5d1d04 · #045d1d

Split-complementary

Open in tool →

#5d4a04 · #175d04

#5d0417 · #445d04 · #045d4a

Contrast

#1d045d as textRatioAAAA largeAAAFix
Aaon white
17.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #8254f8 as the text (4.57:1)
  • AAA: use #a280fa as the text (7:1)
  • AA: or shift the background to #858585 (4.64:1)
  • AAA: or shift the background to #a6a6a6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d045d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1d045d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d045d
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 #1d045d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d045d-ac9cc4-dfc24e-291f2d-e9ebf1?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