Color

#b02503

#b02503
hex#b02503
rgbrgb(176, 37, 3)
hslhsl(12, 97%, 35%)
oklchoklch(0.493 0.179 33.2)
Closest name: firebrick (#b22222)Relative luminance 0.1056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#038db0

#b00337 · #b07c03

#03b025 · #2503b0

Split-complementary

Open in tool →

#03b07c · #0337b0

#37b003 · #038db0 · #7c03b0

Contrast

#b02503 as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #ab2403 as the text (7.03:1)
Aaon black
3.11:1failpassfail
  • AA: use #e23003 as the text (4.66:1)
  • AAA: use #fc6640 as the text (7.11:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b02503 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

#b02503 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b02503
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 #b02503 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b02503-c4a99c-62cbad-2d281f-f1e9ec?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