Color

#1c0529

#1c0529
hex#1c0529
rgbrgb(28, 5, 41)
hslhsl(278, 78%, 9%)
oklchoklch(0.182 0.073 310.8)
Closest name: Black Sabbath (#220022)Relative luminance 0.0052

Tints & shades

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

Harmonies

Complementary

Open in tool →

#122905

#0a0529 · #290524

#291c05 · #05291c

Split-complementary

Open in tool →

#242905 · #05290a

#290a05 · #122905 · #052429

Contrast

#1c0529 as textRatioAAAA largeAAAFix
Aaon white
19.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #aa40e7 as the text (4.6:1)
  • AAA: use #c277ee as the text (7.17:1)
  • AA: or shift the background to #7d7d7d (4.62:1)
  • AAA: or shift the background to #9e9e9e (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c0529 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

#1c0529 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c0529
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 #1c0529 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c0529-ba9cc4-bbcb62-2d1f2c-ebe9f1?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