#c03b21 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	5.4:1	pass	pass	fail	AAA: use #a1321b as the text (7.03:1)
Aaon black	3.89:1	fail	pass	fail	AA: use #d64224 as the text (4.66:1) AAA: use #e47862 as the text (7.16:1) AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c03b21 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

171717 737373 c2410c ffffff

Gallery

Open in tool →

Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work.

Editorial Minimal Light

d4af37 8a8a8a c0392b 0d0d0d f5f5f5

Noir Beauty

Open in tool →

Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.

Dark Luxury BoldBeauty

c2410c 365314 fbbf24 f4efe6 1f1a12

Trailhead

Open in tool →

Rust, pine and sun — high-visibility earth tones that read at a distance and on a trail sign.

Warm Bold VividOutdoors

Fonts for this mood

#c03b21 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

Warm fonts →Playful fonts →Bold fonts →

mcpConnect your agent — build around #c03b21

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 #c03b21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c03b21-c4a79c-62cbaa-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