Color

#1d033f

#1d033f
hex#1d033f
rgbrgb(29, 3, 63)
hslhsl(266, 91%, 13%)
oklchoklch(0.203 0.103 295.6)
Closest name: Your Darkness (#220044)Relative luminance 0.0069

Tints & shades

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

Harmonies

Complementary

Open in tool →

#253f03

#03073f · #3b033f

#3f1d03 · #033f1d

Split-complementary

Open in tool →

#3f3b03 · #073f03

#3f0307 · #253f03 · #033f3b

Contrast

#1d033f as textRatioAAAA largeAAAFix
Aaon white
18.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #954bf7 as the text (4.63:1)
  • AAA: use #b27bf9 as the text (7.09:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (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 #1d033f 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

#1d033f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d033f
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 #1d033f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d033f-b29cc4-dfd74e-2b1f2d-e9eaf1?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