Color

#1c042a

#1c042a
hex#1c042a
rgbrgb(28, 4, 42)
hslhsl(278, 83%, 9%)
oklchoklch(0.181 0.076 310.2)
Closest name: Coal Mine (#220033)Relative luminance 0.005

Tints & shades

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

Harmonies

Complementary

Open in tool →

#122a04

#09042a · #2a0425

#2a1c04 · #042a1c

Split-complementary

Open in tool →

#252a04 · #042a09

#2a0904 · #122a04 · #04252a

Contrast

#1c042a as textRatioAAAA largeAAAFix
Aaon white
19.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #ac3bed as the text (4.6:1)
  • AAA: use #c373f2 as the text (7.05:1)
  • AA: or shift the background to #7d7d7d (4.64:1)
  • AAA: or shift the background to #9e9e9e (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c042a 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

#1c042a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c042a
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 #1c042a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c042a-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