Color

#1c393b

#1c393b
hex#1c393b
rgbrgb(28, 57, 59)
hslhsl(184, 36%, 17%)
oklchoklch(0.323 0.035 201.4)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0349

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b1e1c

#1c3b2d · #1c293b

#3b1c39 · #393b1c

Split-complementary

Open in tool →

#3b1c29 · #3b2d1c

#2d1c3b · #3b1e1c · #293b1c

Contrast

#1c393b as textRatioAAAA largeAAAFix
Aaon white
12.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #3e7f84 as the text (4.57:1)
  • AAA: use #50a4aa as the text (7.23:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c393b 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

#1c393b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c393b
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 #1c393b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c393b-a2b9be-df4e8a-1f262d-e9f1ee?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