# #a21e07

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a21e07`
- RGB: rgb(162, 30, 7)
- HSL: hsl(9, 92%, 33%)
- OKLCH: oklch(0.462 0.17 31.9)
- Relative luminance: 0.0863
- Nearest named color: Antique Port Wine (#98211a, Δ 2.263) — https://brandsweets.com/colors/antique-port-wine
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a21e07

## Tints & shades

- Tints (toward white): #c42408, #e12a09, #f53a19, #f75336, #f87059, #f98a76, #fba798, #fcc0b6, #fdddd8, #fff7f5
- Shades (toward black): #931b06, #841906, #761605, #671304, #5d1104, #4e0f03, #400c03, #310902, #220601, #140401

## Harmonies

- Complementary: #078aa2
- Analogous: #a2073d, #a26b07
- Triadic: #07a21e, #1e07a2
- Split-complementary: #07a26b, #073da2
- Tetradic: #3da207, #078aa2, #6b07a2

## Colors that go with #a21e07

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 #a21e07 — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #a21e07 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). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #a21e07 in 6 real palettes, including State Farm's brand system and Wendy's's brand system, as the lead colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Wendy's (https://brandsweets.com/colors/brands/wendys-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 #a21e07 in 4 real palettes, including Cider and Olive Grove, as the accent. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 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 #a21e07: 6 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 #a21e07 in 4 real palettes, including Fireside and Harvest, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Harvest (https://brandsweets.com/palettes/warm#harvest), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/goldenrod
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a21e07 in 4 real palettes, including Fireside and Bookshop, as the supporting colour. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a21e07: 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). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 7.71:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.73:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e12a09 (4.54:1); AA: background → #c7c7c7 (4.56:1); AAA: text → #f8684f (7.08:1); AAA: background → #f5f5f5 (7.07:1)

## Brands using this color

- **State Farm** — secondary #a11b13 (Δ 0.866) — https://brandsweets.com/colors/brands/statefarm-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a21e07-c4a79c-62cba8-2d271f-f1e9ec?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: "#a21e07" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.