Color

#33183e

#33183e
hex#33183e
rgbrgb(51, 24, 62)
hslhsl(283, 44%, 17%)
oklchoklch(0.266 0.075 315.2)
Closest name: Nightly Voyager (#391531)Relative luminance 0.017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#233e18

#21183e · #3e1836

#3e3418 · #183e34

Split-complementary

Open in tool →

#363e18 · #183e21

#3e2118 · #233e18 · #18363e

Contrast

#33183e as textRatioAAAA largeAAAFix
Aaon white
15.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #a056bd as the text (4.56:1)
  • AAA: use #b982ce as the text (7.15:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33183e 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

#33183e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33183e
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 #33183e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33183e-bb9fc1-b2cb62-2d1f2b-ebe9f1?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