What color is #778EAA?

#778EAA is a medium, muted blue. In RGB it is rgb(119, 142, 170), and in HSL hsl(213, 23%, 57%).

Is #778EAA accessible as text?

On white, #778EAA has a contrast ratio of 3.37:1 (fails WCAG AA for body text); on black it is 6.23:1 (passes). For text placed on #778EAA, use black for the best readability.

What is the closest Tailwind color to #778EAA?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #778EAA?

#778EAA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AB9478. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #778EAA below.

Is #778EAA good for buttons?

#778EAA works well for buttons and highlights, but use black text on #778EAA — white text only reaches 3.37:1, below the 4.5:1 needed for normal-size labels.

Is #778EAA the same as CSS lightslategray?

No — #778EAA is not the CSS named color lightslategray, but lightslategray (#778899) 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.

#778EAA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #778EAA

Not just a swatch — here's how #778EAA works with other colors. Named schemes with #778EAA in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #778EAA Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #778EAA Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Japanese Sand Base · 5 colors

Base #778EAA Surface #EBEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2C2724

Light Slate Gray sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #778EAA Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #9DB3CD

Light 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 Light Slate Gray.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #778EAA Secondary #B0B8C2 Support #9D8F89 Ink #16140F

Light 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 Light Slate Gray carrying the quiet middle.

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Color Lab

How #778EAA 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 36/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 60/100

High

Middle-weight — neither delicate nor heavy.

Depth 35/100

Low

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 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 19/100

Very low

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

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #778EAA

For UI

For branding

For interior

For fashion

People also use #778EAA with

Ash Gray Glaucous Camel Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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

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

Background Pair with #141310 text at 5.5:1. Use

Subtle surface Use #E5E9ED for cards and hover fills. Tint 80

Avoid beside #787EAB — 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 #778EAA 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: #778EAA;
  --color-base-rgb: 119 142 170;
  --color-base-oklch: oklch(63.9% 0.050 253.5);
  --color-50: #F5F7F9;
  --color-100: #E6EAF0;
  --color-200: #CDD5E0;
  --color-300: #A9B6C6;
  --color-400: #8697AC;
  --color-500: #66788F;
  --color-600: #535F6F;
  --color-700: #3E4651;
  --color-800: #2B3036;
  --color-900: #1B1E22;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-slate-gray: {
    50: '#F5F7F9',
    100: '#E6EAF0',
    200: '#CDD5E0',
    300: '#A9B6C6',
    400: '#8697AC',
    500: '#66788F',
    600: '#535F6F',
    700: '#3E4651',
    800: '#2B3036',
    900: '#1B1E22',
  },
}

$base: #778EAA;
$base-ink: #141310;
$base-50: #F5F7F9;
$base-100: #E6EAF0;
$base-200: #CDD5E0;
$base-300: #A9B6C6;
$base-400: #8697AC;
$base-500: #66788F;
$base-600: #535F6F;
$base-700: #3E4651;
$base-800: #2B3036;
$base-900: #1B1E22;
$base-hover: #5A728F;
$base-subtle: #D8DEE4;

{
    "color": {
        "base": {
            "value": "#778EAA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F7F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EAF0",
                "type": "color"
            },
            "200": {
                "value": "#CDD5E0",
                "type": "color"
            },
            "300": {
                "value": "#A9B6C6",
                "type": "color"
            },
            "400": {
                "value": "#8697AC",
                "type": "color"
            },
            "500": {
                "value": "#66788F",
                "type": "color"
            },
            "600": {
                "value": "#535F6F",
                "type": "color"
            },
            "700": {
                "value": "#3E4651",
                "type": "color"
            },
            "800": {
                "value": "#2B3036",
                "type": "color"
            },
            "900": {
                "value": "#1B1E22",
                "type": "color"
            }
        }
    }
}

Palettes built on #778EAA

Color Lab

Pairs with #778EAA

UI roles & guardrails

In real applications

Scales

Every model

Export