Color

#302b97

#302b97
hex#302b97
rgbrgb(48, 43, 151)
hslhsl(243, 56%, 38%)
oklchoklch(0.374 0.169 276.4)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0459

Tints & shades

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

Harmonies

Complementary

Open in tool →

#92972b

#2b5b97 · #662b97

#97302b · #2b9730

Split-complementary

Open in tool →

#97662b · #5b972b

#972b5b · #92972b · #2b9766

Contrast

#302b97 as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #6d68d4 as the text (4.58:1)
  • AAA: use #9490e0 as the text (7.32:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #302b97 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

#302b97 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #302b97
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 #302b97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/302b97-a39cc4-dfa04e-261f2d-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