# #284c86

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#284c86`
- RGB: rgb(40, 76, 134)
- HSL: hsl(217, 54%, 34%)
- OKLCH: oklch(0.421 0.105 259.5)
- Relative luminance: 0.0734
- Nearest named color: Assassin (#2d4f83, Δ 1.262) — https://brandsweets.com/colors/assassin
- Moods: cool, modern
- Page: https://brandsweets.com/colors/284c86

## Tints & shades

- Tints (toward white): #2f599d, #3769b9, #4678c8, #628cd0, #799dd7, #91afde, #adc3e6, #c4d4ed, #e0e8f6, #f7f9fd
- Shades (toward black): #24457a, #213e6e, #1d3862, #1a3156, #162a4b, #13243f, #0f1d33, #0c1627, #08101b, #050910

## Harmonies

- Complementary: #866228
- Analogous: #287b86, #332886
- Triadic: #86284c, #4c8628
- Split-complementary: #863328, #7b8628
- Tetradic: #86287b, #866228, #288633

## Colors that go with #284c86

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 #284c86 — 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), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #284c86's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 7 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #284c86, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #284c86: 4 real palettes, including Blue Mono and Gopro's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #284c86 in 14 real palettes, including Walgreens's brand system and Costco's brand system, as the lead colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Costco (https://brandsweets.com/colors/brands/costco-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #284c86: 6 real palettes, including Campbell's's brand system and MLB's brand system, as the supporting colour. Seen in: Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #284c86 in 4 real palettes, including Sapphire & Gold and Open House, as the supporting colour. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Open House (https://brandsweets.com/palettes/clean#open-house), Disney (https://brandsweets.com/colors/brands/disney-com), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #284c86: 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): 8.51:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4375c7 (4.61:1); AA: background → #bdbdbd (4.53:1); AAA: text → #7298d5 (7.17:1); AAA: background → #ebebeb (7.14:1)

## Curated palettes containing it

- **First Snow** (winter, cool, light, minimal) — #2b4c7e, #8fa8c8, #c9d6e3, #fbfcfe, #14213d — Ice blue on snow-white with a deep navy — the quietest winter palette; everything is a tint of one cold hue. — tool: https://brandsweets.com/palettes/new/2b4c7e-8fa8c8-c9d6e3-fbfcfe-14213d — collection: https://brandsweets.com/palettes/winter

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/284c86-9ca7c4-df624e-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: "#284c86" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.