# #305f3f

A color — muted, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#305f3f`
- RGB: rgb(48, 95, 63)
- HSL: hsl(139, 33%, 28%)
- OKLCH: oklch(0.443 0.074 152.6)
- Relative luminance: 0.0917
- Nearest named color: Hunter Green (#355e3b, Δ 0.653) — https://brandsweets.com/colors/hunter-green
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/305f3f

## Tints & shades

- Tints (toward white): #3c774e, #488e5e, #54a66e, #6ab481, #82c095, #99cca9, #b1d8bd, #c9e4d1, #e0f0e5, #f8fcf9
- Shades (toward black): #2c583a, #274e34, #24472f, #1f3d28, #1b3624, #182f1f, #132519, #0f1f14, #0a140d, #070e09

## Harmonies

- Complementary: #5f3050
- Analogous: #385f30, #305f56
- Triadic: #3f305f, #5f3f30
- Split-complementary: #56305f, #5f3038
- Tetradic: #30385f, #5f3050, #5f5630

## Colors that go with #305f3f

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 #305f3f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Subaru (https://brandsweets.com/colors/brands/subaru-com), GitHub (https://brandsweets.com/colors/brands/github), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #305f3f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Crimson** #dc143c [pool] — Crimson is paired with #305f3f in 6 real palettes, including MAC Cosmetics's brand system and Gemstone, as the supporting colour. Seen in: MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #305f3f: 8 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #305f3f in 4 real palettes, including Neon's brand system and Clerk's brand system, as the accent. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Clerk (https://brandsweets.com/colors/brands/clerk-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/orangered
- **Rust** #b7410e [harmony, pool: triadic] — Rust completes a triad with #305f3f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #305f3f: 8 real palettes, including Pine & Birch and Darkroom, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sage-green
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #305f3f: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 7.41:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #438457 (4.68:1); AA: background → #cccccc (4.61:1); AAA: text → #54a66e (7.06:1); AAA: background → #fafafa (7.1:1)

## Brands using this color

- **Neon** — secondary #285d49 (Δ 1.937) — https://brandsweets.com/colors/brands/neon-tech

## Curated palettes containing it

- **Pine & Birch** (forest, clean, minimal, cool) — #1f5f3f, #a3b18a, #dad7cd, #fdfcf9, #2b3a2f — One deep pine on birch-white with sage and bark greys — Scandinavian forest: mostly light, one committed green. — tool: https://brandsweets.com/palettes/new/1f5f3f-a3b18a-dad7cd-fdfcf9-2b3a2f — collection: https://brandsweets.com/palettes/forest

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- 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/305f3f-a2beae-c059d4-1f2d2a-ebf1e9?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: "#305f3f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.