Color

#33355b

#33355b
hex#33355b
rgbrgb(51, 53, 91)
hslhsl(237, 28%, 28%)
oklchoklch(0.346 0.066 280.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0401

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b5933

#33495b · #45335b

#5b3335 · #355b33

Split-complementary

Open in tool →

#5b4533 · #495b33

#5b3349 · #5b5933 · #335b45

Contrast

#33355b as textRatioAAAA largeAAAFix
Aaon white
11.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #6c6fac as the text (4.51:1)
  • AAA: use #9092c1 as the text (7.07:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33355b 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

#33355b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33355b
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 #33355b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33355b-9f9cc4-df924e-251f2d-e9edf1?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