What color is #348FDB?

#348FDB is a medium, vivid cyan-blue. In RGB it is rgb(52, 143, 219), and in HSL hsl(207, 70%, 53%).

Is #348FDB accessible as text?

On white, #348FDB has a contrast ratio of 3.44:1 (fails WCAG AA for body text); on black it is 6.10:1 (passes). For text placed on #348FDB, use black for the best readability.

What is the closest Tailwind color to #348FDB?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #348FDB?

#348FDB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DB7F33. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #348FDB below.

Is #348FDB good for buttons?

#348FDB works well for buttons and highlights, but use black text on #348FDB — white text only reaches 3.44:1, below the 4.5:1 needed for normal-size labels.

Is #348FDB the same as CSS cornflowerblue?

No — #348FDB is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#348FDB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #348FDB

Not just a swatch — here's how #348FDB works with other colors. Named schemes with #348FDB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #348FDB Accent #A5C4C1 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 #348FDB 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 #348FDB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #68B5FC

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 #348FDB Secondary #9DB9D4 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 #348FDB 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 #348FDB 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 10/100

Cool

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

Softness 47/100

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 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 55/100

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 22/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #348FDB

For UI

For branding

For interior

For fashion

People also use #348FDB with

Turquoise Ultramarine Bronze 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 5.4:1. Use

Subtle surface Use #DBE8F3 for cards and hover fills. Tint 80

Avoid beside #3358DB — 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 #348FDB 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: #348FDB;
  --color-base-rgb: 52 143 219;
  --color-base-oklch: oklch(63.3% 0.142 247.8);
  --color-50: #F1F8FD;
  --color-100: #DBECFA;
  --color-200: #BAD9F3;
  --color-300: #8ABCE5;
  --color-400: #5F9FD3;
  --color-500: #3D81B8;
  --color-600: #35658C;
  --color-700: #2B4A64;
  --color-800: #203241;
  --color-900: #152028;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F1F8FD',
    100: '#DBECFA',
    200: '#BAD9F3',
    300: '#8ABCE5',
    400: '#5F9FD3',
    500: '#3D81B8',
    600: '#35658C',
    700: '#2B4A64',
    800: '#203241',
    900: '#152028',
  },
}

$base: #348FDB;
$base-ink: #141310;
$base-50: #F1F8FD;
$base-100: #DBECFA;
$base-200: #BAD9F3;
$base-300: #8ABCE5;
$base-400: #5F9FD3;
$base-500: #3D81B8;
$base-600: #35658C;
$base-700: #2B4A64;
$base-800: #203241;
$base-900: #152028;
$base-hover: #2074B8;
$base-subtle: #C8DDEE;

{
    "color": {
        "base": {
            "value": "#348FDB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F8FD",
                "type": "color"
            },
            "100": {
                "value": "#DBECFA",
                "type": "color"
            },
            "200": {
                "value": "#BAD9F3",
                "type": "color"
            },
            "300": {
                "value": "#8ABCE5",
                "type": "color"
            },
            "400": {
                "value": "#5F9FD3",
                "type": "color"
            },
            "500": {
                "value": "#3D81B8",
                "type": "color"
            },
            "600": {
                "value": "#35658C",
                "type": "color"
            },
            "700": {
                "value": "#2B4A64",
                "type": "color"
            },
            "800": {
                "value": "#203241",
                "type": "color"
            },
            "900": {
                "value": "#152028",
                "type": "color"
            }
        }
    }
}

Palettes built on #348FDB

Color Lab

Pairs with #348FDB

UI roles & guardrails

In real applications

Scales

Every model

Export