# #b4315f

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

## Values

- Hex: `#b4315f`
- RGB: rgb(180, 49, 95)
- HSL: hsl(339, 57%, 45%)
- OKLCH: oklch(0.525 0.17 4)
- Relative luminance: 0.1273
- Nearest named color: Amore (#ae2f48, Δ 3.514) — https://brandsweets.com/colors/amore
- Moods: warm
- Page: https://brandsweets.com/colors/b4315f

## Tints & shades

- Tints (toward white): #c8376a, #cf4f7c, #d4638b, #da7799, #e08fab, #e6a3ba, #ebb7c9, #f1cbd8, #f7e3ea, #fdf7f9
- Shades (toward black): #a42d57, #94294e, #842446, #74203d, #641b35, #50162a, #401222, #300d19, #200911, #100408

## Harmonies

- Complementary: #31b486
- Analogous: #b431a1, #b44531
- Triadic: #5fb431, #315fb4
- Split-complementary: #31b445, #31a1b4
- Tetradic: #a1b431, #31b486, #4531b4

## Colors that go with #b4315f

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

- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #b4315f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #b4315f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #b4315f in 4 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b4315f: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b4315f: 11 real palettes, including Chase's brand system and Ulta Beauty's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Gold** #ffd700 [pool] — Gold shows up next to #b4315f in 4 real palettes, including Garnet and Tabloid, as the accent. Seen in: Garnet (https://brandsweets.com/palettes/warm#garnet), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/gold
- **Midnight Blue** #191970 [pool] — 4 real palettes, including MLB's brand system and Nintendo's brand system put Midnight Blue beside #b4315f, as the lead colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b4315f in 7 real palettes, including Chase's brand system and Coinbase's brand system, as the supporting colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 5.92:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a02c55 (7.03:1)
- On black (#000000): 3.55:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #cb4373 (4.59:1); AA: background → #e3e3e3 (4.62:1); AAA: text → #da7799 (7.08:1)

## 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/b4315f-c49ca5-62cb74-2d211f-f1e9f0?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: "#b4315f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.