# #31475e

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

## Values

- Hex: `#31475e`
- RGB: rgb(49, 71, 94)
- HSL: hsl(211, 31%, 28%)
- OKLCH: oklch(0.39 0.048 250.2)
- Relative luminance: 0.0597
- Nearest named color: Bluedgeons (#324c64, Δ 1.691) — https://brandsweets.com/colors/bluedgeons
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/31475e

## Tints & shades

- Tints (toward white): #3e5875, #4a6a8c, #567ca4, #6c8eb2, #83a0be, #9bb2ca, #b2c4d7, #cad6e3, #e1e8ef, #f8fafb
- Shades (toward black): #2e4257, #283a4d, #253546, #202d3c, #1c2835, #19232f, #131c25, #10171e, #0b0f14, #070a0d

## Harmonies

- Complementary: #5e4831
- Analogous: #315d5e, #32315e
- Triadic: #5e3147, #475e31
- Split-complementary: #5e3231, #5d5e31
- Tetradic: #5e315d, #5e4831, #315e32

## Colors that go with #31475e

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

- **Teal** #008080 [harmony, pool: analogous] — Teal is #31475e'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), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 8 real palettes, including Alaska Airlines's brand system and Jeep's brand system put Blue beside #31475e, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #31475e, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #31475e: 5 real palettes, including Paper & Pine and Dusk, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #31475e: 5 real palettes, including Desert Road and Notion's brand system, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #31475e in 8 real palettes, including Codecademy's brand system and Frost & Ember, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #31475e: 16 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #31475e: 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): 9.57:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5479a0 (4.62:1); AA: background → #b3b3b3 (4.57:1); AAA: text → #7998b9 (7:1); AAA: background → #dedede (7.12:1)

## Brands using this color

- **Tumblr** — secondary #36465d (Δ 0.685) — https://brandsweets.com/colors/brands/tumblr-com
- **Auth0** — secondary #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/auth0-com
- **Hinge** — secondary #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/hinge-co
- **Jack Daniel's** — secondary #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/jackdaniels-com
- **Lamborghini** — accent #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/lamborghini-com
- **Puma** — accent #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/puma-com
- **Stanley** — accent #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/stanley1913-com
- **Starlink** — primary #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/starlink-com
- **Zoom** — accent #27455c (Δ 1.49) — https://brandsweets.com/colors/brands/zoom-us
- **Codecademy** — secondary #2c4c5c (Δ 1.795) — https://brandsweets.com/colors/brands/codecademy-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/31475e-9cabc4-df534e-1f202d-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: "#31475e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.