# #a33333

A color — warm. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a33333`
- RGB: rgb(163, 51, 51)
- HSL: hsl(0, 52%, 42%)
- OKLCH: oklch(0.488 0.148 24.4)
- Relative luminance: 0.1039
- Nearest named color: brown (#a52a2a, Δ 1.426) — https://brandsweets.com/colors/brown
- Moods: warm
- Page: https://brandsweets.com/colors/a33333

## Tints & shades

- Tints (toward white): #ba3b3b, #c54949, #cd6060, #d37373, #da8b8b, #e2a2a2, #e8b5b5, #efcdcd, #f5e0e0, #fdf7f7
- Shades (toward black): #932f2f, #842a2a, #782626, #692121, #591c1c, #4a1717, #3a1212, #2f0f0f, #1f0a0a, #100505

## Harmonies

- Complementary: #33a3a3
- Analogous: #a3336b, #a36b33
- Triadic: #33a333, #3333a3
- Split-complementary: #33a36b, #336ba3
- Tetradic: #6ba333, #33a3a3, #6b33a3

## Colors that go with #a33333

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #a33333 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #a33333 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #a33333 in 4 real palettes, including Ember and Maple, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Crimson** #dc143c [pool] — Crimson is paired with #a33333 in 8 real palettes, including Wendy's's brand system and State Farm's brand system, as the lead colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a33333 in 5 real palettes, including Olive Grove and Cider, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a33333: 10 real palettes, including State Farm's brand system and Campbell's's brand system, as the accent. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a33333 in 4 real palettes, including Fireside and Noir Beauty, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Harvest (https://brandsweets.com/palettes/warm#harvest), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/goldenrod
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a33333: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 6.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9f3232 (7.06:1)
- On black (#000000): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c74d4d (4.6:1); AA: background → #d4d4d4 (4.6:1); AAA: text → #d77f7f (7.23:1)

## Curated palettes containing it

- **Typewriter** (vintage, monochrome, editorial, minimal) — #2b2b2b, #8a8480, #a33a2f, #f4efe6 — Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour. — tool: https://brandsweets.com/palettes/new/2b2b2b-8a8480-a33a2f-f4efe6 — collection: https://brandsweets.com/palettes/vintage

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a33333-c4a19c-62cb98-2d251f-f1e9ed?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#a33333" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
