Nearest named color: Slate Gray
#73738C
#73738C
Nearest named
Slate Gray
Family
Gray
Lightness
56.5%
Chroma
0.038
Hue angle
285.1°
Temperature
Cool
Contrast on white
4.61:1 · AA
Contrast on black
4.03:1 · AA Large
Web-safe
#666699
CSS oklch()
56% 0.04 285

#73738C is a muted, temperate purple. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on #73738C

Not just a swatch — here's how #73738C works with other colors. Named schemes with #73738C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Slate Gray is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #73738C actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 43/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 55/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 41/100
Moderate
Mid depth — usable as an accent or a muted ground.
Naturalness 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 49/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 47/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 15/100
Very low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 64/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 47/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 95/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #73738C

For UI
For branding
For interior
For fashion
People also use #73738C with

UI roles & guardrails

Primary action Safe as a filled button with white label. AA
Body text Passes on white at 16px and above. Pass
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 4.6:1. Use
Subtle surface Use #E4E4E7 for cards and hover fills. Tint 80
Avoid beside #7B738C — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #73738C at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #73738C;
  --color-base-rgb: 115 115 140;
  --color-base-oklch: oklch(56.5% 0.038 285.1);
  --color-50: #F7F7F8;
  --color-100: #E8E8ED;
  --color-200: #D2D2DA;
  --color-300: #B1B1BE;
  --color-400: #9191A1;
  --color-500: #727283;
  --color-600: #5B5B67;
  --color-700: #43434B;
  --color-800: #2E2E33;
  --color-900: #1D1D20;
  --color-on-base: #FFFFFF;
}