# #243c94

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

## Values

- Hex: `#243c94`
- RGB: rgb(36, 60, 148)
- HSL: hsl(227, 61%, 36%)
- OKLCH: oklch(0.395 0.148 267.5)
- Relative luminance: 0.0574
- Nearest named color: Bluebell (#333399, Δ 2.7) — https://brandsweets.com/colors/bluebell
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/243c94

## Tints & shades

- Tints (toward white): #2a46ac, #3050c5, #4665d2, #5f79d8, #788ede, #90a2e4, #a9b7ea, #c6cff1, #dee4f7, #f7f8fd
- Shades (toward black): #213787, #1e327b, #1a2b6b, #17265e, #142152, #111c46, #0e1739, #0a1129, #070c1d, #040710

## Harmonies

- Complementary: #947c24
- Analogous: #247494, #442494
- Triadic: #94243c, #3c9424
- Split-complementary: #944424, #749424
- Tetradic: #942474, #947c24, #249444

## Colors that go with #243c94

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 text near-black for #243c94: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #243c94 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), 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). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #243c94's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 7 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #243c94, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), 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). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #243c94: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #243c94 in 14 real palettes, including Walgreens's brand system and Casper Sleep's brand system, as the lead colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #243c94: 15 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #243c94: 5 real palettes, including MLB's brand system and Nintendo's brand system, as the supporting colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), 3M (https://brandsweets.com/colors/brands/3m-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 9.77:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #536fd5 (4.6:1); AA: background → #b0b0b0 (4.51:1); AAA: text → #8095e0 (7.29:1); AAA: background → #dbdbdb (7.06:1)

## Brands using this color

- **Nokia** — primary #124191 (Δ 1.843) — https://brandsweets.com/colors/brands/nokia-com
- **NASA** — primary #0b3d91 (Δ 1.958) — https://brandsweets.com/colors/brands/nasa-gov

## Curated palettes containing it

- **Fintech Trust** (cool, clean, modern) — #0b3d91, #4b6a9b, #00a878, #ffffff, #0b1f3a — Navy signals custody and stability; the green accent is money moving the right way. No red anywhere except errors. — tool: https://brandsweets.com/palettes/new/0b3d91-4b6a9b-00a878-ffffff-0b1f3a — collection: https://brandsweets.com/palettes/cool
- **Sapphire & Gold** (jewel-tones, luxury, cool, elegant) — #1e3a8a, #c9a227, #0e7490, #f7f6f2, #111827 — Deep sapphire and gold with a teal — old-money jewel tones on an ivory ground; heraldic without a crest. — tool: https://brandsweets.com/palettes/new/1e3a8a-c9a227-0e7490-f7f6f2-111827 — collection: https://brandsweets.com/palettes/jewel-tones

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/243c94-9ca0c4-df7a4e-221f2d-e9eff1?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: "#243c94" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.