# #c63e39

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

## Values

- Hex: `#c63e39`
- RGB: rgb(198, 62, 57)
- HSL: hsl(2, 55%, 50%)
- OKLCH: oklch(0.561 0.173 26.5)
- Relative luminance: 0.1575
- Nearest named color: Bento Box (#cc363c, Δ 1.613) — https://brandsweets.com/colors/bento-box
- Moods: warm
- Page: https://brandsweets.com/colors/c63e39

## Tints & shades

- Tints (toward white): #cb514d, #d16561, #d67471, #db8784, #e19b98, #e7aeac, #edc1c0, #f1d1d0, #f7e4e3, #fdf7f7
- Shades (toward black): #b23834, #a2332f, #8e2d29, #7e2825, #6b221f, #571b19, #471615, #33100f, #240b0a, #100505

## Harmonies

- Complementary: #39c1c6
- Analogous: #c6397b, #c68439
- Triadic: #39c63e, #3e39c6
- Split-complementary: #39c684, #397bc6
- Tetradic: #7bc639, #39c1c6, #8439c6

## Colors that go with #c63e39

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #c63e39: 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), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #c63e39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #c63e39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #c63e39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c63e39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #c63e39 in 6 real palettes, including Maple and Trailhead, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #c63e39, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #c63e39: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), MLB (https://brandsweets.com/colors/brands/mlb-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 5.06:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9e322e (7.12:1)
- On black (#000000): 4.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c94a45 (4.55:1); AA: background → #f2f2f2 (4.52:1); AAA: text → #d87c79 (7.08:1)

## Brands using this color

- **Casper Sleep** — primary #cc3b31 (Δ 1.308) — https://brandsweets.com/colors/brands/casper-com
- **Aesop** — secondary #ca432f (Δ 1.822) — https://brandsweets.com/colors/brands/aesop-com

## Curated palettes containing it

- **Noir Beauty** (dark, luxury, bold) — #d4af37, #8a8a8a, #c0392b, #0d0d0d, #f5f5f5 — Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick. — tool: https://brandsweets.com/palettes/new/d4af37-8a8a8a-c0392b-0d0d0d-f5f5f5 — collection: https://brandsweets.com/palettes/dark

## 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/c63e39-c4a29c-62cb9c-2d261f-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: "#c63e39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.