Color

#201d3f

#201d3f
hex#201d3f
rgbrgb(32, 29, 63)
hslhsl(245, 37%, 18%)
oklchoklch(0.254 0.063 285)
Closest name: Black Market (#222244)Relative luminance 0.0154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c3f1d

#1d2b3f · #311d3f

#3f201d · #1d3f20

Split-complementary

Open in tool →

#3f311d · #2b3f1d

#3f1d2b · #3c3f1d · #1d3f31

Contrast

#201d3f as textRatioAAAA largeAAAFix
Aaon white
16.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #736cbc as the text (4.6:1)
  • AAA: use #948fcc as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #201d3f 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

#201d3f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #201d3f
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 #201d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/201d3f-a49cc4-dfa54e-261f2d-e9ecf1?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