What color is #5AA3BC?

#5AA3BC is a medium cyan. In RGB it is rgb(90, 163, 188), and in HSL hsl(195, 42%, 55%).

Is #5AA3BC accessible as text?

On white, #5AA3BC has a contrast ratio of 2.84:1 (fails WCAG AA for body text); on black it is 7.40:1 (passes). For text placed on #5AA3BC, use black for the best readability.

What is the closest Tailwind color to #5AA3BC?

The nearest Tailwind CSS token is cyan-500 (#00B8DB).

What colors go well with #5AA3BC?

#5AA3BC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BC745C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5AA3BC below.

Is #5AA3BC good for buttons?

#5AA3BC works well for buttons and highlights, but use black text on #5AA3BC — white text only reaches 2.84:1, below the 4.5:1 needed for normal-size labels.

Is #5AA3BC the same as CSS cadetblue?

No — #5AA3BC is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#5AA3BC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5AA3BC

Not just a swatch — here's how #5AA3BC works with other colors. Named schemes with #5AA3BC in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #5AA3BC Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 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 #5AA3BC Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E354A

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 #5AA3BC 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 #5AA3BC Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #87C8DF

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 #5AA3BC Secondary #B0C8D1 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.

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Color Lab

How #5AA3BC 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 26/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #5AA3BC

For UI

For branding

For interior

For fashion

People also use #5AA3BC with

Medium Aquamarine Very Peri Copper 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.5:1. Use

Subtle surface Use #E1ECEF for cards and hover fills. Tint 80

Avoid beside #5C84BC — 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 #5AA3BC 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: #5AA3BC;
  --color-base-rgb: 90 163 188;
  --color-base-oklch: oklch(67.8% 0.082 222.5);
  --color-50: #F4F9FB;
  --color-100: #E2EFF4;
  --color-200: #C5DFE7;
  --color-300: #9CC5D3;
  --color-400: #76AABC;
  --color-500: #558D9F;
  --color-600: #476E7B;
  --color-700: #365058;
  --color-800: #26353B;
  --color-900: #192124;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F4F9FB',
    100: '#E2EFF4',
    200: '#C5DFE7',
    300: '#9CC5D3',
    400: '#76AABC',
    500: '#558D9F',
    600: '#476E7B',
    700: '#365058',
    800: '#26353B',
    900: '#192124',
  },
}

$base: #5AA3BC;
$base-ink: #141310;
$base-50: #F4F9FB;
$base-100: #E2EFF4;
$base-200: #C5DFE7;
$base-300: #9CC5D3;
$base-400: #76AABC;
$base-500: #558D9F;
$base-600: #476E7B;
$base-700: #365058;
$base-800: #26353B;
$base-900: #192124;
$base-hover: #41889F;
$base-subtle: #D2E2E8;

{
    "color": {
        "base": {
            "value": "#5AA3BC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F9FB",
                "type": "color"
            },
            "100": {
                "value": "#E2EFF4",
                "type": "color"
            },
            "200": {
                "value": "#C5DFE7",
                "type": "color"
            },
            "300": {
                "value": "#9CC5D3",
                "type": "color"
            },
            "400": {
                "value": "#76AABC",
                "type": "color"
            },
            "500": {
                "value": "#558D9F",
                "type": "color"
            },
            "600": {
                "value": "#476E7B",
                "type": "color"
            },
            "700": {
                "value": "#365058",
                "type": "color"
            },
            "800": {
                "value": "#26353B",
                "type": "color"
            },
            "900": {
                "value": "#192124",
                "type": "color"
            }
        }
    }
}

Palettes built on #5AA3BC

Color Lab

Pairs with #5AA3BC

UI roles & guardrails

In real applications

Scales

Every model

Export