# #4d657a

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

## Values

- Hex: `#4d657a`
- RGB: rgb(77, 101, 122)
- HSL: hsl(208, 23%, 39%)
- OKLCH: oklch(0.496 0.044 245.3)
- Relative luminance: 0.1229
- Nearest named color: Admiral Blue (#50647f, Δ 1.054) — https://brandsweets.com/colors/admiral-blue
- Moods: cool, muted
- Page: https://brandsweets.com/colors/4d657a

## Tints & shades

- Tints (toward white): #58758d, #65849f, #7893ab, #8ba2b6, #9eb1c2, #adbecc, #c0cdd8, #d3dce4, #e6ebef, #f9fafb
- Shades (toward black): #475d71, #3f5364, #394b5b, #31414e, #2b3945, #232f38, #1d272f, #161c23, #101519, #080a0d

## Harmonies

- Complementary: #7a624d
- Analogous: #4d7a79, #4d4e7a
- Triadic: #7a4d65, #657a4d
- Split-complementary: #7a4d4e, #7a794d
- Tetradic: #794d7a, #7a624d, #4e7a4d

## Colors that go with #4d657a

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 #4d657a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Campus (https://brandsweets.com/palettes/friendly#campus), Gusto (https://brandsweets.com/colors/brands/gusto-com), Pampers (https://brandsweets.com/colors/brands/pampers-com). — https://brandsweets.com/colors/charcoal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #4d657a 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 #4d657a in 5 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Activision's brand system and Warp's brand system put Blue beside #4d657a, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Tesco (https://brandsweets.com/colors/brands/tesco-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #4d657a, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #4d657a: 5 real palettes, including Fintech Trust and Ink & Paper, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4d657a: 5 real palettes, including Dusk and Desert Road, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #4d657a in 15 real palettes, including Retro Pop and Gemstone, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 6.07:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #455b6e (7.06:1)
- On black (#000000): 3.46:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5c7a93 (4.66:1); AA: background → #dedede (4.51:1); AAA: text → #829bb0 (7.26:1)

## Brands using this color

- **Lufthansa** — secondary #52627c (Δ 1.209) — https://brandsweets.com/colors/brands/lufthansa-com
- **Stripe** — secondary #50617a (Δ 1.238) — https://brandsweets.com/colors/brands/stripe

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4d657a-9cadc4-df4e51-1f212d-e9f1f1?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: "#4d657a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.