What color is #677488?

#677488 is a medium low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(103, 116, 136), and in HSL hsl(216, 14%, 47%).

Is #677488 accessible as text?

On white, #677488 has a contrast ratio of 4.74:1 (passes WCAG AA for body text); on black it is 4.43:1 (fails). For text placed on #677488, use white for the best readability.

What is the closest Tailwind color to #677488?

The nearest Tailwind CSS token is gray-500 (#6A7282).

What colors go well with #677488?

As a neutral, #677488 pairs cleanly with either light or dark text depending on the surface, and sits under accent hues like blue, violet, emerald or warm orange — use it as a muted neutral, divider, icon or disabled-state color and let the accent carry the color.

Is #677488 the same as CSS slategray?

No — #677488 is not the CSS named color slategray, but slategray (#708090) is the closest CSS named color.

#677488 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #677488

Not just a swatch — here's how #677488 works with other colors. Named schemes with #677488 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #677488 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Accent #677488 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Slate 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 #677488 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8B98AB

Slate 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 Slate Gray.

Vintage Leather Lead · 5 colors

Lead #677488 Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #677488 Secondary #989DA5 Support #9D8F89 Ink #16140F

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 #677488 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 41/100

Neutral

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 13/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 63/100

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 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #677488

For UI

For branding

For interior

For fashion

People also use #677488 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 4.7:1. Use

Subtle surface Use #E1E3E7 for cards and hover fills. Tint 80

Avoid beside #676989 — 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 #677488 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #677488;
  --color-base-rgb: 103 116 136;
  --color-base-oklch: oklch(55.5% 0.035 258.9);
  --color-50: #F6F7F9;
  --color-100: #E8EAEE;
  --color-200: #D1D5DC;
  --color-300: #AFB6C1;
  --color-400: #8D97A5;
  --color-500: #6E7887;
  --color-600: #585F6A;
  --color-700: #42464D;
  --color-800: #2D3034;
  --color-900: #1D1E20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  slate-gray: {
    50: '#F6F7F9',
    100: '#E8EAEE',
    200: '#D1D5DC',
    300: '#AFB6C1',
    400: '#8D97A5',
    500: '#6E7887',
    600: '#585F6A',
    700: '#42464D',
    800: '#2D3034',
    900: '#1D1E20',
  },
}

$base: #677488;
$base-ink: #FFFFFF;
$base-50: #F6F7F9;
$base-100: #E8EAEE;
$base-200: #D1D5DC;
$base-300: #AFB6C1;
$base-400: #8D97A5;
$base-500: #6E7887;
$base-600: #585F6A;
$base-700: #42464D;
$base-800: #2D3034;
$base-900: #1D1E20;
$base-hover: #525D6D;
$base-subtle: #D2D6DB;

{
    "color": {
        "base": {
            "value": "#677488",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F7F9",
                "type": "color"
            },
            "100": {
                "value": "#E8EAEE",
                "type": "color"
            },
            "200": {
                "value": "#D1D5DC",
                "type": "color"
            },
            "300": {
                "value": "#AFB6C1",
                "type": "color"
            },
            "400": {
                "value": "#8D97A5",
                "type": "color"
            },
            "500": {
                "value": "#6E7887",
                "type": "color"
            },
            "600": {
                "value": "#585F6A",
                "type": "color"
            },
            "700": {
                "value": "#42464D",
                "type": "color"
            },
            "800": {
                "value": "#2D3034",
                "type": "color"
            },
            "900": {
                "value": "#1D1E20",
                "type": "color"
            }
        }
    }
}

Palettes built on #677488

Color Lab

Pairs with #677488

UI roles & guardrails

In real applications

Scales

Every model

Export