Color

#1d015b

#1d015b
hex#1d015b
rgbrgb(29, 1, 91)
hslhsl(259, 98%, 18%)
oklchoklch(0.236 0.138 283.3)
Closest name: Blackmail (#220066)Relative luminance 0.0104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e5b01

#01115b · #4a015b

#5b1d01 · #015b1d

Split-complementary

Open in tool →

#5b4a01 · #115b01

#5b0111 · #3e5b01 · #015b4a

Contrast

#1d015b as textRatioAAAA largeAAAFix
Aaon white
17.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #864efd as the text (4.52:1)
  • AAA: use #a881fe as the text (7.24:1)
  • AA: or shift the background to #828282 (4.52:1)
  • AAA: or shift the background to #a6a6a6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d015b 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

#1d015b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d015b
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 #1d015b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d015b-ad9cc4-dfc74e-2a1f2d-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