# #cb4f3a

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

## Values

- Hex: `#cb4f3a`
- RGB: rgb(203, 79, 58)
- HSL: hsl(9, 58%, 51%)
- OKLCH: oklch(0.589 0.162 31.8)
- Relative luminance: 0.1859
- Nearest named color: Autumn Fire (#c44e4f, Δ 2.88) — https://brandsweets.com/colors/autumn-fire
- Moods: warm
- Page: https://brandsweets.com/colors/cb4f3a

## Tints & shades

- Tints (toward white): #d0614e, #d4705e, #da8272, #df9386, #e4a59a, #e9b4aa, #eec6bf, #f3d8d3, #f8e6e3, #fdf8f7
- Shades (toward black): #b94631, #a9402d, #953828, #813022, #712a1e, #5d2319, #491b13, #34140e, #240e0a, #100604

## Harmonies

- Complementary: #3ab5cb
- Analogous: #cb3a6c, #cb983a
- Triadic: #3acb4f, #4f3acb
- Split-complementary: #3acb98, #3a6ccb
- Tetradic: #6ccb3a, #3ab5cb, #983acb

## Colors that go with #cb4f3a

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 #cb4f3a: 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), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #cb4f3a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #cb4f3a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #cb4f3a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #cb4f3a in 7 real palettes, including Trailhead and McDonald's's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #cb4f3a, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #cb4f3a: 4 real palettes, including Clean Beauty and Diner, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including LG's brand system and BrandSweets's brand system put Champagne beside #cb4f3a, as the accent. Seen in: LG (https://brandsweets.com/colors/brands/lg-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 4.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c94c36 (4.59:1); AA: background → #080808 (4.5:1); AAA: text → #993a29 (7.02:1)
- On black (#000000): 4.72:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #d87e6e (7.13:1)

## Brands using this color

- **Sourcegraph** — accent #d14d41 (Δ 1.459) — https://brandsweets.com/colors/brands/sourcegraph-com

## 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/cb4f3a-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: "#cb4f3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.