Color

#212850

#212850
hex#212850
rgbrgb(33, 40, 80)
hslhsl(231, 42%, 22%)
oklchoklch(0.293 0.073 273.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0242

Tints & shades

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

Harmonies

Complementary

Open in tool →

#504921

#213f50 · #312150

#502128 · #285021

Split-complementary

Open in tool →

#503121 · #3f5021

#50213f · #504921 · #215031

Contrast

#212850 as textRatioAAAA largeAAAFix
Aaon white
14.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #6371bf as the text (4.64:1)
  • AAA: use #8892ce as the text (7.05:1)
  • AA: or shift the background to #949494 (4.66:1)
  • AAA: or shift the background to #b8b8b8 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #212850 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

#212850 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #212850
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 #212850 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/212850-9c9ec4-df834e-231f2d-e9eef1?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