# #284a52

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

## Values

- Hex: `#284a52`
- RGB: rgb(40, 74, 82)
- HSL: hsl(191, 34%, 24%)
- OKLCH: oklch(0.387 0.042 214.6)
- Relative luminance: 0.0596
- Nearest named color: darkslategray (#2f4f4f, Δ 2.12) — https://brandsweets.com/colors/darkslategray
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/284a52

## Tints & shades

- Tints (toward white): #34606a, #427985, #4d8f9d, #62a3b2, #7ab1bd, #92bfc9, #adcfd7, #c5dde2, #e0edf0, #f8fbfc
- Shades (toward black): #25444b, #223e44, #1e383e, #1b3237, #182b30, #142529, #111f22, #0d191b, #0a1315, #070c0e

## Harmonies

- Complementary: #523028
- Analogous: #285245, #283652
- Triadic: #52284a, #4a5228
- Split-complementary: #522836, #524528
- Tetradic: #452852, #523028, #365228

## Colors that go with #284a52

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: analogous] — Steel Blue is #284a52's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #284a52'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 #284a52 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] — 9 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #284a52, 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 #284a52, 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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #284a52: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #284a52: 5 real palettes, including Desert Road and Notion's brand system, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #284a52: 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): 9.58:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #457f8c (4.67:1); AA: background → #b3b3b3 (4.57:1); AAA: text → #5b9fae (7.02:1); AAA: background → #dedede (7.12:1)

## Brands using this color

- **Codecademy** — secondary #2c4c5c (Δ 1.819) — https://brandsweets.com/colors/brands/codecademy-com
- **Zendesk** — accent #17494d (Δ 1.922) — https://brandsweets.com/colors/brands/zendesk-com

## 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/284a52-a2b6be-df4e7a-1f252d-e9f1ef?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: "#284a52" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.