What color is #218FDE?

#218FDE is a medium, vivid cyan-blue. In RGB it is rgb(33, 143, 222), and in HSL hsl(205, 74%, 50%).

Is #218FDE accessible as text?

On white, #218FDE has a contrast ratio of 3.47:1 (fails WCAG AA for body text); on black it is 6.05:1 (passes). For text placed on #218FDE, use black for the best readability.

What is the closest Tailwind color to #218FDE?

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

What colors go well with #218FDE?

#218FDE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DE7021. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #218FDE below.

Is #218FDE good for buttons?

#218FDE works well for buttons and highlights, but use black text on #218FDE — white text only reaches 3.47:1, below the 4.5:1 needed for normal-size labels.

Is #218FDE the same as CSS dodgerblue?

No — #218FDE is not the CSS named color dodgerblue, but dodgerblue (#1E90FF) is the closest CSS named color.

#218FDE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #218FDE

Not just a swatch — here's how #218FDE works with other colors. Named schemes with #218FDE in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #218FDE Accent #A5C4C0 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Dodger 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 #218FDE Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Dodger 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 #218FDE Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5EB5FE

Dodger 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 Dodger Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #218FDE Secondary #99B8D5 Support #969386 Ink #16140F

Dodger 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 Dodger Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #218FDE Anchor #3B2924 Surface #EAE5D0 Accent #7A9E77 Secondary #393933

Dodger 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 #218FDE 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 7/100

Cool

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

Softness 46/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 58/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 84/100

Very high

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

Surface fit 20/100

Very low

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

Print safety 66/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #218FDE

For UI

For branding

For interior

For fashion

People also use #218FDE with

Turquoise Medium Blue Chocolate 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 #D8E8F3 for cards and hover fills. Tint 80

Avoid beside #2150DE — 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 #218FDE 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: #218FDE;
  --color-base-rgb: 33 143 222;
  --color-base-oklch: oklch(63.0% 0.151 246.2);
  --color-50: #F1F8FE;
  --color-100: #DBEDFB;
  --color-200: #B8DBF4;
  --color-300: #88C0E7;
  --color-400: #5CA3D6;
  --color-500: #3985BC;
  --color-600: #33698F;
  --color-700: #2A4C65;
  --color-800: #1F3342;
  --color-900: #152029;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dodger-blue: {
    50: '#F1F8FE',
    100: '#DBEDFB',
    200: '#B8DBF4',
    300: '#88C0E7',
    400: '#5CA3D6',
    500: '#3985BC',
    600: '#33698F',
    700: '#2A4C65',
    800: '#1F3342',
    900: '#152029',
  },
}

$base: #218FDE;
$base-ink: #141310;
$base-50: #F1F8FE;
$base-100: #DBEDFB;
$base-200: #B8DBF4;
$base-300: #88C0E7;
$base-400: #5CA3D6;
$base-500: #3985BC;
$base-600: #33698F;
$base-700: #2A4C65;
$base-800: #1F3342;
$base-900: #152029;
$base-hover: #1B73B1;
$base-subtle: #C3DCEE;

{
    "color": {
        "base": {
            "value": "#218FDE",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F8FE",
                "type": "color"
            },
            "100": {
                "value": "#DBEDFB",
                "type": "color"
            },
            "200": {
                "value": "#B8DBF4",
                "type": "color"
            },
            "300": {
                "value": "#88C0E7",
                "type": "color"
            },
            "400": {
                "value": "#5CA3D6",
                "type": "color"
            },
            "500": {
                "value": "#3985BC",
                "type": "color"
            },
            "600": {
                "value": "#33698F",
                "type": "color"
            },
            "700": {
                "value": "#2A4C65",
                "type": "color"
            },
            "800": {
                "value": "#1F3342",
                "type": "color"
            },
            "900": {
                "value": "#152029",
                "type": "color"
            }
        }
    }
}

Palettes built on #218FDE

Color Lab

Pairs with #218FDE

UI roles & guardrails

In real applications

Scales

Every model

Export