What color is #558BBD?

#558BBD is a medium blue. In RGB it is rgb(85, 139, 189), and in HSL hsl(209, 44%, 54%).

Is #558BBD accessible as text?

On white, #558BBD has a contrast ratio of 3.61:1 (fails WCAG AA for body text); on black it is 5.81:1 (passes). For text placed on #558BBD, use black for the best readability.

What is the closest Tailwind color to #558BBD?

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

What colors go well with #558BBD?

#558BBD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BD8856. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #558BBD below.

Is #558BBD good for buttons?

#558BBD works well for buttons and highlights, but use black text on #558BBD — white text only reaches 3.61:1, below the 4.5:1 needed for normal-size labels.

Is #558BBD the same as CSS steelblue?

No — #558BBD is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#558BBD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #558BBD

Not just a swatch — here's how #558BBD works with other colors. Named schemes with #558BBD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #558BBD Accent #A5C4C0 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Ocean 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 #558BBD Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Ocean 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 #558BBD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7FB0DF

Ocean 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 Ocean Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #558BBD Secondary #A1B4C6 Support #969386 Ink #16140F

Ocean 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 Ocean Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #558BBD Anchor #3B2924 Surface #EAE5D0 Accent #7A9E78 Secondary #393933

Ocean Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #558BBD 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 23/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 38/100

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 53/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 80/100

High

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

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #558BBD

For UI

For branding

For interior

For fashion

People also use #558BBD with

Medium Turquoise Tanzanite Peru 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 5.1:1. Use

Subtle surface Use #E0E8EF for cards and hover fills. Tint 80

Avoid beside #5669BD — 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 #558BBD 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: #558BBD;
  --color-base-rgb: 85 139 189;
  --color-base-oklch: oklch(62.0% 0.095 247.8);
  --color-50: #F4F7FB;
  --color-100: #E1EBF4;
  --color-200: #C4D7E8;
  --color-300: #9BB9D4;
  --color-400: #759ABD;
  --color-500: #547CA1;
  --color-600: #46627C;
  --color-700: #364859;
  --color-800: #26313B;
  --color-900: #191F25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F4F7FB',
    100: '#E1EBF4',
    200: '#C4D7E8',
    300: '#9BB9D4',
    400: '#759ABD',
    500: '#547CA1',
    600: '#46627C',
    700: '#364859',
    800: '#26313B',
    900: '#191F25',
  },
}

$base: #558BBD;
$base-ink: #141310;
$base-50: #F4F7FB;
$base-100: #E1EBF4;
$base-200: #C4D7E8;
$base-300: #9BB9D4;
$base-400: #759ABD;
$base-500: #547CA1;
$base-600: #46627C;
$base-700: #364859;
$base-800: #26313B;
$base-900: #191F25;
$base-hover: #3E709F;
$base-subtle: #D0DCE8;

{
    "color": {
        "base": {
            "value": "#558BBD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EBF4",
                "type": "color"
            },
            "200": {
                "value": "#C4D7E8",
                "type": "color"
            },
            "300": {
                "value": "#9BB9D4",
                "type": "color"
            },
            "400": {
                "value": "#759ABD",
                "type": "color"
            },
            "500": {
                "value": "#547CA1",
                "type": "color"
            },
            "600": {
                "value": "#46627C",
                "type": "color"
            },
            "700": {
                "value": "#364859",
                "type": "color"
            },
            "800": {
                "value": "#26313B",
                "type": "color"
            },
            "900": {
                "value": "#191F25",
                "type": "color"
            }
        }
    }
}

Palettes built on #558BBD

Color Lab

Pairs with #558BBD

UI roles & guardrails

In real applications

Scales

Every model

Export