What color is #666D85?

#666D85 is a medium, muted blue-violet. In RGB it is rgb(102, 109, 133), and in HSL hsl(226, 13%, 46%).

Is #666D85 accessible as text?

On white, #666D85 has a contrast ratio of 5.13:1 (passes WCAG AA for body text); on black it is 4.09:1 (fails). For text placed on #666D85, use white for the best readability.

What is the closest Tailwind color to #666D85?

The nearest Tailwind CSS token is mauve-500 (#79697B).

What colors go well with #666D85?

#666D85 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #857D66. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #666D85 below.

Is #666D85 good for buttons?

#666D85 works well for buttons and highlights, but use white text on #666D85 — black text only reaches 4.09:1, below the 4.5:1 needed for normal-size labels.

Is #666D85 the same as CSS dimgray?

No — #666D85 is not the CSS named color dimgray, but dimgray (#696969) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#666D85 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #666D85

Not just a swatch — here's how #666D85 works with other colors. Named schemes with #666D85 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #666D85 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Dim 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

Accent #666D85 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #666D85 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #8A91A7

Dim Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Dim Gray.

Vintage Leather Lead · 5 colors

Lead #666D85 Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

Dim 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #666D85 Secondary #9497A0 Support #9D8F88 Ink #18140F

Dim 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 Dim Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #666D85 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 42/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 49/100

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 65/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #666D85

For UI

For branding

For interior

For fashion

People also use #666D85 with

Pewter Dim Gray Shadow Gainsboro Charcoal

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 5.1:1. Use

Subtle surface Use #E1E2E6 for cards and hover fills. Tint 80

Avoid beside #696685 — 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 #666D85 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #666D85;
  --color-base-rgb: 102 109 133;
  --color-base-oklch: oklch(53.8% 0.039 272.3);
  --color-50: #F6F7F8;
  --color-100: #E8E9ED;
  --color-200: #D1D3DB;
  --color-300: #AFB3C0;
  --color-400: #8E93A4;
  --color-500: #6F7486;
  --color-600: #595D69;
  --color-700: #42454D;
  --color-800: #2D2F34;
  --color-900: #1D1E20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dim-gray: {
    50: '#F6F7F8',
    100: '#E8E9ED',
    200: '#D1D3DB',
    300: '#AFB3C0',
    400: '#8E93A4',
    500: '#6F7486',
    600: '#595D69',
    700: '#42454D',
    800: '#2D2F34',
    900: '#1D1E20',
  },
}

$base: #666D85;
$base-ink: #FFFFFF;
$base-50: #F6F7F8;
$base-100: #E8E9ED;
$base-200: #D1D3DB;
$base-300: #AFB3C0;
$base-400: #8E93A4;
$base-500: #6F7486;
$base-600: #595D69;
$base-700: #42454D;
$base-800: #2D2F34;
$base-900: #1D1E20;
$base-hover: #52576A;
$base-subtle: #D2D4DA;

{
    "color": {
        "base": {
            "value": "#666D85",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F7F8",
                "type": "color"
            },
            "100": {
                "value": "#E8E9ED",
                "type": "color"
            },
            "200": {
                "value": "#D1D3DB",
                "type": "color"
            },
            "300": {
                "value": "#AFB3C0",
                "type": "color"
            },
            "400": {
                "value": "#8E93A4",
                "type": "color"
            },
            "500": {
                "value": "#6F7486",
                "type": "color"
            },
            "600": {
                "value": "#595D69",
                "type": "color"
            },
            "700": {
                "value": "#42454D",
                "type": "color"
            },
            "800": {
                "value": "#2D2F34",
                "type": "color"
            },
            "900": {
                "value": "#1D1E20",
                "type": "color"
            }
        }
    }
}

Palettes built on #666D85

Color Lab

Pairs with #666D85

UI roles & guardrails

In real applications

Scales

Every model

Export