# #334257

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

## Values

- Hex: `#334257`
- RGB: rgb(51, 66, 87)
- HSL: hsl(215, 26%, 27%)
- OKLCH: oklch(0.375 0.041 256.9)
- Relative luminance: 0.0529
- Nearest named color: Charcoal (#36454f, Δ 1.987) — https://brandsweets.com/colors/charcoal
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/334257

## Tints & shades

- Tints (toward white): #40536d, #4d6484, #5b759a, #6e87aa, #889db9, #9fafc6, #b5c2d4, #ccd4e1, #e2e7ee, #f9fafb
- Shades (toward black): #2f3d50, #2a3647, #263140, #222c3a, #1e2733, #19202a, #151b23, #11161d, #0b0f13, #080a0d

## Harmonies

- Complementary: #574833
- Analogous: #335457, #363357
- Triadic: #573342, #425733
- Split-complementary: #573633, #545733
- Tetradic: #573354, #574833, #335736

## Colors that go with #334257

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

- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #334257 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Asana (https://brandsweets.com/colors/brands/asana-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Teal** #008080 [harmony, pool: analogous] — Teal is #334257's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #334257 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna
- **Blue** #0000ff [pool] — 11 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #334257, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #334257, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #334257 in 4 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #334257: 5 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #334257: 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): 10.21:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.06:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5c789d (4.63:1); AA: background → #adadad (4.55:1); AAA: text → #8297b5 (7.04:1); AAA: background → #d6d6d6 (7.02:1)

## Brands using this color

- **Tumblr** — primary #304058 (Δ 0.869) — https://brandsweets.com/colors/brands/tumblr-com
- **Tumblr** — secondary #36465d (Δ 1.556) — https://brandsweets.com/colors/brands/tumblr-com
- **Auth0** — secondary #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/auth0-com
- **Hinge** — secondary #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/hinge-co
- **Jack Daniel's** — secondary #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/jackdaniels-com
- **Lamborghini** — accent #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/lamborghini-com
- **Puma** — accent #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/puma-com
- **Stanley** — accent #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/stanley1913-com
- **Starlink** — primary #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/starlink-com
- **Zoom** — accent #27455c (Δ 1.691) — https://brandsweets.com/colors/brands/zoom-us

## 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/334257-9ca8c4-df5d4e-201f2d-e9f0f1?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: "#334257" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.