# #2a5e7e

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

## Values

- Hex: `#2a5e7e`
- RGB: rgb(42, 94, 126)
- HSL: hsl(203, 50%, 33%)
- OKLCH: oklch(0.461 0.076 238.5)
- Relative luminance: 0.1
- Nearest named color: Blue Velvet (#0d6183, Δ 1.734) — https://brandsweets.com/colors/blue-velvet
- Moods: cool, modern
- Page: https://brandsweets.com/colors/2a5e7e

## Tints & shades

- Tints (toward white): #337299, #3b83b0, #4b95c3, #62a3cb, #7db2d4, #94c0db, #afd0e4, #c6ddec, #e0edf5, #f7fafc
- Shades (toward black): #265573, #224d67, #1f445c, #1b3c50, #183649, #142e3d, #112532, #0d1c26, #09141b, #050b0f

## Harmonies

- Complementary: #7e4a2a
- Analogous: #2a7e74, #2a347e
- Triadic: #7e2a5e, #5e7e2a
- Split-complementary: #7e2a34, #7e742a
- Tetradic: #742a7e, #7e4a2a, #347e2a

## Colors that go with #2a5e7e

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: analogous] — Royal Blue is #2a5e7e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Motorola (https://brandsweets.com/colors/brands/motorola-com), Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2a5e7e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #2a5e7e in 4 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Tesco's brand system and Activision's brand system put Blue beside #2a5e7e, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), Activision (https://brandsweets.com/colors/brands/activision-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #2a5e7e: 4 real palettes, including Open House and Dusk, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2a5e7e: 6 real palettes, including Fintech Trust and Unilever's brand system, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Unilever (https://brandsweets.com/colors/brands/unilever-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #2a5e7e in 14 real palettes, including Codecademy's brand system and Costco's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Costco (https://brandsweets.com/colors/brands/costco-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #2a5e7e: 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): 7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #295b7a (7.31:1)
- On black (#000000): 3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #387da8 (4.67:1); AA: background → #d1d1d1 (4.58:1); AAA: text → #5b9ec8 (7.17:1)

## Brands using this color

- **Capital One** — secondary #255f82 (Δ 0.699) — https://brandsweets.com/colors/brands/capitalone-com

## 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/2a5e7e-9cb0c4-df4e5d-1f222d-e9f1f0?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: "#2a5e7e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.