Color

#1d232a

#1d232a
hex#1d232a
rgbrgb(29, 35, 42)
hslhsl(212, 18%, 14%)
oklchoklch(0.253 0.016 252.4)
Closest name: Dark (#1b2431)Relative luminance 0.0163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a241d

#1d2a2a · #1e1d2a

#2a1d23 · #232a1d

Split-complementary

Open in tool →

#2a1e1d · #2a2a1d

#2a1d2a · #2a241d · #1d2a1e

Contrast

#1d232a as textRatioAAAA largeAAAFix
Aaon white
15.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #647990 as the text (4.68:1)
  • AAA: use #8798ab as the text (7.11:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d232a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d232a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d232a
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 #1d232a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d232a-9caac4-df564e-1f202d-e9f1f1?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