Color

#1c0443

#1c0443
hex#1c0443
rgbrgb(28, 4, 67)
hslhsl(263, 89%, 14%)
oklchoklch(0.208 0.107 291.9)
Closest name: Your Darkness (#220044)Relative luminance 0.0074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b4304

#040b43 · #3c0443

#431c04 · #04431c

Split-complementary

Open in tool →

#433c04 · #0b4304

#43040b · #2b4304 · #04433c

Contrast

#1c0443 as textRatioAAAA largeAAAFix
Aaon white
18.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #8d4df5 as the text (4.51:1)
  • AAA: use #ac7df7 as the text (7.03:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (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 #1c0443 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

#1c0443 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c0443
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 #1c0443 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c0443-b09cc4-dfd04e-2b1f2d-e9eaf1?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