What color is #549DBF?

#549DBF is a medium cyan-blue. In RGB it is rgb(84, 157, 191), and in HSL hsl(199, 46%, 54%).

Is #549DBF accessible as text?

On white, #549DBF has a contrast ratio of 3.02:1 (fails WCAG AA for body text); on black it is 6.95:1 (passes). For text placed on #549DBF, use black for the best readability.

What is the closest Tailwind color to #549DBF?

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

What colors go well with #549DBF?

#549DBF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C07654. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #549DBF below.

Is #549DBF good for buttons?

#549DBF works well for buttons and highlights, but use black text on #549DBF — white text only reaches 3.02:1, below the 4.5:1 needed for normal-size labels.

Is #549DBF the same as CSS cadetblue?

No — #549DBF is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#549DBF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #549DBF

Not just a swatch — here's how #549DBF works with other colors. Named schemes with #549DBF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #549DBF Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Carolina Blue 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 #549DBF Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Carolina Blue 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 #549DBF Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

Carolina Blue 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 #549DBF Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #81C2E2

Carolina 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 Carolina Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #549DBF Secondary #ABC3CF Support #969386 Ink #16140F

Carolina 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 Carolina Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #549DBF 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 24/100

Cool

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

Softness 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

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 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 66/100

High

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #549DBF

For UI

For branding

For interior

For fashion

People also use #549DBF with

Medium Aquamarine Tanzanite Copper 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 6.2:1. Use

Subtle surface Use #E0EAEF for cards and hover fills. Tint 80

Avoid beside #547AC0 — 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 #549DBF 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: #549DBF;
  --color-base-rgb: 84 157 191;
  --color-base-oklch: oklch(66.2% 0.089 230.2);
  --color-50: #F3F9FB;
  --color-100: #E1EEF5;
  --color-200: #C4DDE9;
  --color-300: #9AC2D5;
  --color-400: #73A7BF;
  --color-500: #5289A3;
  --color-600: #446B7E;
  --color-700: #354E5A;
  --color-800: #25353C;
  --color-900: #182125;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F3F9FB',
    100: '#E1EEF5',
    200: '#C4DDE9',
    300: '#9AC2D5',
    400: '#73A7BF',
    500: '#5289A3',
    600: '#446B7E',
    700: '#354E5A',
    800: '#25353C',
    900: '#182125',
  },
}

$base: #549DBF;
$base-ink: #141310;
$base-50: #F3F9FB;
$base-100: #E1EEF5;
$base-200: #C4DDE9;
$base-300: #9AC2D5;
$base-400: #73A7BF;
$base-500: #5289A3;
$base-600: #446B7E;
$base-700: #354E5A;
$base-800: #25353C;
$base-900: #182125;
$base-hover: #3B81A1;
$base-subtle: #D0E0E8;

{
    "color": {
        "base": {
            "value": "#549DBF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F9FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EEF5",
                "type": "color"
            },
            "200": {
                "value": "#C4DDE9",
                "type": "color"
            },
            "300": {
                "value": "#9AC2D5",
                "type": "color"
            },
            "400": {
                "value": "#73A7BF",
                "type": "color"
            },
            "500": {
                "value": "#5289A3",
                "type": "color"
            },
            "600": {
                "value": "#446B7E",
                "type": "color"
            },
            "700": {
                "value": "#354E5A",
                "type": "color"
            },
            "800": {
                "value": "#25353C",
                "type": "color"
            },
            "900": {
                "value": "#182125",
                "type": "color"
            }
        }
    }
}

Palettes built on #549DBF

Color Lab

Pairs with #549DBF

UI roles & guardrails

In real applications

Scales

Every model

Export