Color

#1c2b40

#1c2b40
hex#1c2b40
rgbrgb(28, 43, 64)
hslhsl(215, 39%, 18%)
oklchoklch(0.286 0.044 256.9)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0234

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40311c

#1c3d40 · #1f1c40

#401c2b · #2b401c

Split-complementary

Open in tool →

#401f1c · #3d401c

#401c3d · #40311c · #1c401f

Contrast

#1c2b40 as textRatioAAAA largeAAAFix
Aaon white
14.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #4e77b1 as the text (4.6:1)
  • AAA: use #7898c4 as the text (7.09:1)
  • AA: or shift the background to #919191 (4.54:1)
  • AAA: or shift the background to #b8b8b8 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c2b40 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1c2b40 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c2b40
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 #1c2b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c2b40-9ca8c4-df5d4e-201f2d-e9f0f1?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