What color is #687A8D?

#687A8D is a medium low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(104, 122, 141), and in HSL hsl(211, 15%, 48%).

Is #687A8D accessible as text?

On white, #687A8D has a contrast ratio of 4.41:1 (fails WCAG AA for body text); on black it is 4.76:1 (passes). For text placed on #687A8D, use black for the best readability.

What is the closest Tailwind color to #687A8D?

The nearest Tailwind CSS token is slate-500 (#62748E).

What colors go well with #687A8D?

As a neutral, #687A8D 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 #687A8D the same as CSS slategray?

No — #687A8D is not the CSS named color slategray, but slategray (#708090) is the closest CSS named color.

#687A8D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #687A8D

Not just a swatch — here's how #687A8D works with other colors. Named schemes with #687A8D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #687A8D 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 #687A8D Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #687A8D Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8D9EB0

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 #687A8D Secondary #7F4538 Surface #E1DDC0 Accent #375245 Anchor #57233B

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 #687A8D Secondary #9CA3AA Support #959386 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.

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Color Lab

How #687A8D 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 40/100

Neutral

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

Softness 56/100

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 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 14/100

Very low

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

UI accent fit 62/100

High

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

Surface fit 48/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #687A8D

For UI

For branding

For interior

For fashion

People also use #687A8D with

Pewter Very Peri Mocha Gainsboro Charcoal

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.4:1. Use

Subtle surface Use #E2E4E7 for cards and hover fills. Tint 80

Avoid beside #686E8D — 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 #687A8D 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: #687A8D;
  --color-base-rgb: 104 122 141;
  --color-base-oklch: oklch(57.2% 0.036 249.9);
  --color-50: #F6F7F9;
  --color-100: #E7EAEE;
  --color-200: #D0D6DC;
  --color-300: #AEB7C1;
  --color-400: #8D99A5;
  --color-500: #6D7A88;
  --color-600: #58616A;
  --color-700: #41474D;
  --color-800: #2D3034;
  --color-900: #1D1F21;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  slate-gray: {
    50: '#F6F7F9',
    100: '#E7EAEE',
    200: '#D0D6DC',
    300: '#AEB7C1',
    400: '#8D99A5',
    500: '#6D7A88',
    600: '#58616A',
    700: '#41474D',
    800: '#2D3034',
    900: '#1D1F21',
  },
}

$base: #687A8D;
$base-ink: #141310;
$base-50: #F6F7F9;
$base-100: #E7EAEE;
$base-200: #D0D6DC;
$base-300: #AEB7C1;
$base-400: #8D99A5;
$base-500: #6D7A88;
$base-600: #58616A;
$base-700: #41474D;
$base-800: #2D3034;
$base-900: #1D1F21;
$base-hover: #536171;
$base-subtle: #D3D7DC;

{
    "color": {
        "base": {
            "value": "#687A8D",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F7F9",
                "type": "color"
            },
            "100": {
                "value": "#E7EAEE",
                "type": "color"
            },
            "200": {
                "value": "#D0D6DC",
                "type": "color"
            },
            "300": {
                "value": "#AEB7C1",
                "type": "color"
            },
            "400": {
                "value": "#8D99A5",
                "type": "color"
            },
            "500": {
                "value": "#6D7A88",
                "type": "color"
            },
            "600": {
                "value": "#58616A",
                "type": "color"
            },
            "700": {
                "value": "#41474D",
                "type": "color"
            },
            "800": {
                "value": "#2D3034",
                "type": "color"
            },
            "900": {
                "value": "#1D1F21",
                "type": "color"
            }
        }
    }
}

Palettes built on #687A8D

Color Lab

Pairs with #687A8D

UI roles & guardrails

In real applications

Scales

Every model

Export