Color

#28077e

#28077e
hex#28077e
rgbrgb(40, 7, 126)
hslhsl(257, 89%, 26%)
oklchoklch(0.298 0.171 280.9)
Closest name: Child of the Night (#220077)Relative luminance 0.0211

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c7d07

#07217d · #64077d

#7d2907 · #077d29

Split-complementary

Open in tool →

#7d6407 · #217d07

#7d0721 · #5c7d07 · #077d64

Contrast

#28077e as textRatioAAAA largeAAAFix
Aaon white
14.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #8356f5 as the text (4.61:1)
  • AAA: use #a382f8 as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (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 #28077e 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

#28077e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28077e
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 #28077e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28077e-ac9cc4-dfc24e-291f2d-e9ebf1?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