Color

#1a293c

#1a293c
hex#1a293c
rgbrgb(26, 41, 60)
hslhsl(214, 40%, 17%)
oklchoklch(0.277 0.041 254.8)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d2e1a

#1a3a3d · #1c1a3d

#3d1a29 · #293d1a

Split-complementary

Open in tool →

#3d1c1a · #3a3d1a

#3d1a3a · #3d2e1a · #1a3d1c

Contrast

#1a293c as textRatioAAAA largeAAAFix
Aaon white
14.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #4b76af as the text (4.51:1)
  • AAA: use #7799c5 as the text (7.15:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a293c 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

#1a293c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a293c
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 #1a293c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a293c-9ca9c4-df5a4e-1f1f2d-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