What color is #3391C0?

#3391C0 is a medium cyan-blue. In RGB it is rgb(51, 145, 192), and in HSL hsl(200, 58%, 48%).

Is #3391C0 accessible as text?

On white, #3391C0 has a contrast ratio of 3.53:1 (fails WCAG AA for body text); on black it is 5.95:1 (passes). For text placed on #3391C0, use black for the best readability.

What is the closest Tailwind color to #3391C0?

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

What colors go well with #3391C0?

#3391C0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C16333. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3391C0 below.

Is #3391C0 good for buttons?

#3391C0 works well for buttons and highlights, but use black text on #3391C0 — white text only reaches 3.53:1, below the 4.5:1 needed for normal-size labels.

Is #3391C0 the same as CSS steelblue?

No — #3391C0 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#3391C0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3391C0

Not just a swatch — here's how #3391C0 works with other colors. Named schemes with #3391C0 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3391C0 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #3391C0 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 #3391C0 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #67B6E2

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 #3391C0 Secondary #9BB7C7 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 #3391C0 Anchor #3C2925 Surface #EAE5D0 Accent #7B9E76 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 #3391C0 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 17/100

Cool

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

Softness 51/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 83/100

Very high

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

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3391C0

For UI

For branding

For interior

For fashion

People also use #3391C0 with

Medium Aquamarine Cerulean Tawny 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 5.3:1. Use

Subtle surface Use #D9E8F0 for cards and hover fills. Tint 80

Avoid beside #3363C1 — 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 #3391C0 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: #3391C0;
  --color-base-rgb: 51 145 192;
  --color-base-oklch: oklch(62.3% 0.111 234.7);
  --color-50: #F2F9FC;
  --color-100: #DEEFF7;
  --color-200: #BFDEEE;
  --color-300: #92C4DD;
  --color-400: #69A9C9;
  --color-500: #478BAD;
  --color-600: #3D6D85;
  --color-700: #304F5F;
  --color-800: #23353E;
  --color-900: #172126;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F2F9FC',
    100: '#DEEFF7',
    200: '#BFDEEE',
    300: '#92C4DD',
    400: '#69A9C9',
    500: '#478BAD',
    600: '#3D6D85',
    700: '#304F5F',
    800: '#23353E',
    900: '#172126',
  },
}

$base: #3391C0;
$base-ink: #141310;
$base-50: #F2F9FC;
$base-100: #DEEFF7;
$base-200: #BFDEEE;
$base-300: #92C4DD;
$base-400: #69A9C9;
$base-500: #478BAD;
$base-600: #3D6D85;
$base-700: #304F5F;
$base-800: #23353E;
$base-900: #172126;
$base-hover: #29759B;
$base-subtle: #C6DDE9;

{
    "color": {
        "base": {
            "value": "#3391C0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F9FC",
                "type": "color"
            },
            "100": {
                "value": "#DEEFF7",
                "type": "color"
            },
            "200": {
                "value": "#BFDEEE",
                "type": "color"
            },
            "300": {
                "value": "#92C4DD",
                "type": "color"
            },
            "400": {
                "value": "#69A9C9",
                "type": "color"
            },
            "500": {
                "value": "#478BAD",
                "type": "color"
            },
            "600": {
                "value": "#3D6D85",
                "type": "color"
            },
            "700": {
                "value": "#304F5F",
                "type": "color"
            },
            "800": {
                "value": "#23353E",
                "type": "color"
            },
            "900": {
                "value": "#172126",
                "type": "color"
            }
        }
    }
}

Palettes built on #3391C0

Color Lab

Pairs with #3391C0

UI roles & guardrails

In real applications

Scales

Every model

Export