What color is #548CA5?

#548CA5 is a medium, muted cyan-blue. In RGB it is rgb(84, 140, 165), and in HSL hsl(199, 33%, 49%).

Is #548CA5 accessible as text?

On white, #548CA5 has a contrast ratio of 3.70:1 (fails WCAG AA for body text); on black it is 5.67:1 (passes). For text placed on #548CA5, use black for the best readability.

What is the closest Tailwind color to #548CA5?

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

What colors go well with #548CA5?

#548CA5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A66E54. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #548CA5 below.

Is #548CA5 good for buttons?

#548CA5 works well for buttons and highlights, but use black text on #548CA5 — white text only reaches 3.70:1, below the 4.5:1 needed for normal-size labels.

Is #548CA5 the same as CSS lightslategray?

No — #548CA5 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.

#548CA5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #548CA5

Not just a swatch — here's how #548CA5 works with other colors. Named schemes with #548CA5 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #548CA5 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Air Force Blue 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 #548CA5 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Air Force Blue 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 #548CA5 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #7EB0C8

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

Vintage Leather Lead · 5 colors

Lead #548CA5 Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Air Force Blue 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 #548CA5 Secondary #9FB2BB Support #969386 Ink #16140F

Air Force Blue 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 Air Force Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #548CA5 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 29/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 38/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

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 73/100

High

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

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #548CA5

For UI

For branding

For interior

For fashion

People also use #548CA5 with

Verdigris Tanzanite Mocha Platinum 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 5.0:1. Use

Subtle surface Use #DFE7EB for cards and hover fills. Tint 80

Avoid beside #5471A6 — 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 #548CA5 at work across the surfaces designers actually ship.

Website / UI

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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

Every model

Export

:root {
  --color-base: #548CA5;
  --color-base-rgb: 84 140 165;
  --color-base-oklch: oklch(61.1% 0.070 228.4);
  --color-50: #F5F8FA;
  --color-100: #E3EDF2;
  --color-200: #C9DBE4;
  --color-300: #A2BFCD;
  --color-400: #7EA3B4;
  --color-500: #5D8597;
  --color-600: #4C6875;
  --color-700: #3A4C55;
  --color-800: #293338;
  --color-900: #1A2023;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  air-force-blue: {
    50: '#F5F8FA',
    100: '#E3EDF2',
    200: '#C9DBE4',
    300: '#A2BFCD',
    400: '#7EA3B4',
    500: '#5D8597',
    600: '#4C6875',
    700: '#3A4C55',
    800: '#293338',
    900: '#1A2023',
  },
}

$base: #548CA5;
$base-ink: #141310;
$base-50: #F5F8FA;
$base-100: #E3EDF2;
$base-200: #C9DBE4;
$base-300: #A2BFCD;
$base-400: #7EA3B4;
$base-500: #5D8597;
$base-600: #4C6875;
$base-700: #3A4C55;
$base-800: #293338;
$base-900: #1A2023;
$base-hover: #437085;
$base-subtle: #CEDCE2;

{
    "color": {
        "base": {
            "value": "#548CA5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EDF2",
                "type": "color"
            },
            "200": {
                "value": "#C9DBE4",
                "type": "color"
            },
            "300": {
                "value": "#A2BFCD",
                "type": "color"
            },
            "400": {
                "value": "#7EA3B4",
                "type": "color"
            },
            "500": {
                "value": "#5D8597",
                "type": "color"
            },
            "600": {
                "value": "#4C6875",
                "type": "color"
            },
            "700": {
                "value": "#3A4C55",
                "type": "color"
            },
            "800": {
                "value": "#293338",
                "type": "color"
            },
            "900": {
                "value": "#1A2023",
                "type": "color"
            }
        }
    }
}

Palettes built on #548CA5

Color Lab

Pairs with #548CA5

UI roles & guardrails

In real applications

Scales

Every model

Export