Color

#08213a

#08213a
hex#08213a
rgbrgb(8, 33, 58)
hslhsl(210, 76%, 13%)
oklchoklch(0.243 0.057 251.3)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0144

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a2108

#083a3a · #08083a

#3a0821 · #213a08

Split-complementary

Open in tool →

#3a0808 · #3a3a08

#3a083a · #3a2108 · #083a08

Contrast

#08213a as textRatioAAAA largeAAAFix
Aaon white
16.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #1d78d3 as the text (4.68:1)
  • AAA: use #4b99e7 as the text (7.01:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #08213a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#08213a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #08213a
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 #08213a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/08213a-9cabc4-df514e-1f202d-e9f1f1?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