What color is #548C8F?

#548C8F is a medium, muted cyan. In RGB it is rgb(84, 140, 143), and in HSL hsl(183, 26%, 45%).

Is #548C8F accessible as text?

On white, #548C8F has a contrast ratio of 3.80:1 (fails WCAG AA for body text); on black it is 5.52:1 (passes). For text placed on #548C8F, use black for the best readability.

What is the closest Tailwind color to #548C8F?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #548C8F?

#548C8F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #915855. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #548C8F below.

Is #548C8F good for buttons?

#548C8F works well for buttons and highlights, but use black text on #548C8F — white text only reaches 3.80:1, below the 4.5:1 needed for normal-size labels.

Is #548C8F the same as CSS slategray?

No — #548C8F is not the CSS named color slategray, but slategray (#708090) 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.

#548C8F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #548C8F

Not just a swatch — here's how #548C8F works with other colors. Named schemes with #548C8F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #548C8F Accent #A6C4BD Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #548C8F Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 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 #548C8F Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #7EB0B3

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 #548C8F Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

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 #548C8F Secondary #9DB0B1 Support #979286 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 #548C8F 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 35/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 38/100

Low

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

Naturalness 8/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 23/100

Low

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

UI accent fit 70/100

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 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #548C8F

For UI

For branding

For interior

For fashion

People also use #548C8F with

Jungle Green Teal Blue Mauve Taupe Platinum Dark Slate Gray

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 4.9:1. Use

Subtle surface Use #DEE8E8 for cards and hover fills. Tint 80

Avoid beside #557A91 — 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 #548C8F 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: #548C8F;
  --color-base-rgb: 84 140 143;
  --color-base-oklch: oklch(60.3% 0.059 200.1);
  --color-50: #F5F9FA;
  --color-100: #E5F0F0;
  --color-200: #CCE0E1;
  --color-300: #A7C7C8;
  --color-400: #83ACAF;
  --color-500: #648F91;
  --color-600: #516F71;
  --color-700: #3D5152;
  --color-800: #2A3637;
  --color-900: #1B2222;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  air-force-blue: {
    50: '#F5F9FA',
    100: '#E5F0F0',
    200: '#CCE0E1',
    300: '#A7C7C8',
    400: '#83ACAF',
    500: '#648F91',
    600: '#516F71',
    700: '#3D5152',
    800: '#2A3637',
    900: '#1B2222',
  },
}

$base: #548C8F;
$base-ink: #141310;
$base-50: #F5F9FA;
$base-100: #E5F0F0;
$base-200: #CCE0E1;
$base-300: #A7C7C8;
$base-400: #83ACAF;
$base-500: #648F91;
$base-600: #516F71;
$base-700: #3D5152;
$base-800: #2A3637;
$base-900: #1B2222;
$base-hover: #447174;
$base-subtle: #CDDCDD;

{
    "color": {
        "base": {
            "value": "#548C8F",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E5F0F0",
                "type": "color"
            },
            "200": {
                "value": "#CCE0E1",
                "type": "color"
            },
            "300": {
                "value": "#A7C7C8",
                "type": "color"
            },
            "400": {
                "value": "#83ACAF",
                "type": "color"
            },
            "500": {
                "value": "#648F91",
                "type": "color"
            },
            "600": {
                "value": "#516F71",
                "type": "color"
            },
            "700": {
                "value": "#3D5152",
                "type": "color"
            },
            "800": {
                "value": "#2A3637",
                "type": "color"
            },
            "900": {
                "value": "#1B2222",
                "type": "color"
            }
        }
    }
}

Palettes built on #548C8F

Color Lab

Pairs with #548C8F

UI roles & guardrails

In real applications

Scales

Every model

Export