# #263e4b

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

## Values

- Hex: `#263e4b`
- RGB: rgb(38, 62, 75)
- HSL: hsl(201, 33%, 22%)
- OKLCH: oklch(0.35 0.037 233)
- Relative luminance: 0.0437
- Nearest named color: Sunken Harbour (#1c3d44, Δ 1.803) — https://brandsweets.com/colors/sunken-harbour
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/263e4b

## Tints & shades

- Tints (toward white): #335466, #3f687d, #4d7e99, #5c91ad, #77a3bb, #92b5c8, #aac6d4, #c5d8e2, #dde8ee, #f8fafc
- Shades (toward black): #223844, #1f323d, #1d303a, #1a2a33, #16242c, #131f25, #0f191f, #0e161b, #0a1114, #070b0e

## Harmonies

- Complementary: #4b3326
- Analogous: #264b45, #262b4b
- Triadic: #4b263e, #3e4b26
- Split-complementary: #4b262b, #4b4526
- Tetradic: #45264b, #4b3326, #2b4b26

## Colors that go with #263e4b

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

- **Dark Olive Green** #556b2f [harmony, pool: split] — Dark Olive Green is a split-complement of #263e4b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #263e4b'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), Astro (https://brandsweets.com/colors/brands/astro-build), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #263e4b'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), N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #263e4b 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
- **Amber** #ffbf00 [pool] — Amber is paired with #263e4b in 4 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Jeep's brand system and Minecraft's brand system put Blue beside #263e4b, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #263e4b, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #263e4b: 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): 11.21:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.87:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4b7b95 (4.57:1); AA: background → #a6a6a6 (4.61:1); AAA: text → #6d9cb6 (7.08:1); AAA: background → #cfcfcf (7.2:1)

## Brands using this color

- **Blizzard** — secondary #323a48 (Δ 1.916) — https://brandsweets.com/colors/brands/blizzard-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/263e4b-9cb1c4-df4e62-1f222d-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: "#263e4b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.