What color is #4DA3DF?

#4DA3DF is a medium, vivid cyan-blue. In RGB it is rgb(77, 163, 223), and in HSL hsl(205, 70%, 59%).

Is #4DA3DF accessible as text?

On white, #4DA3DF has a contrast ratio of 2.76:1 (fails WCAG AA for body text); on black it is 7.62:1 (passes). For text placed on #4DA3DF, use black for the best readability.

What is the closest Tailwind color to #4DA3DF?

The nearest Tailwind CSS token is sky-500 (#00A6F4).

What colors go well with #4DA3DF?

#4DA3DF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E08A4D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4DA3DF below.

Is #4DA3DF good for buttons?

#4DA3DF works well for buttons and highlights, but use black text on #4DA3DF — white text only reaches 2.76:1, below the 4.5:1 needed for normal-size labels.

Is #4DA3DF the same as CSS cornflowerblue?

No — #4DA3DF is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#4DA3DF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4DA3DF

Not just a swatch — here's how #4DA3DF works with other colors. Named schemes with #4DA3DF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4DA3DF Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Carolina 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 #4DA3DF Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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.

Tech Product Signal · 5 colors

Signal #4DA3DF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7EC9FF

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 #4DA3DF Secondary #AFCBE0 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.

Modern Café Dominant · 5 colors

Dominant #4DA3DF Anchor #3B2924 Surface #EAE5D0 Accent #7A9E77 Secondary #393933

Carolina 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 #4DA3DF 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 15/100

Cool

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

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

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

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4DA3DF

For UI

For branding

For interior

For fashion

People also use #4DA3DF with

Turquoise Iris Cadmium Orange 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.7:1. Use

Subtle surface Use #E0ECF5 for cards and hover fills. Tint 80

Avoid beside #4D72E0 — 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 #4DA3DF 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: #4DA3DF;
  --color-base-rgb: 77 163 223;
  --color-base-oklch: oklch(68.8% 0.121 241.9);
  --color-50: #F1F8FD;
  --color-100: #DBEDFA;
  --color-200: #BADBF3;
  --color-300: #8ABFE5;
  --color-400: #5FA3D3;
  --color-500: #3D85B8;
  --color-600: #35688C;
  --color-700: #2B4C64;
  --color-800: #203341;
  --color-900: #152028;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F1F8FD',
    100: '#DBEDFA',
    200: '#BADBF3',
    300: '#8ABFE5',
    400: '#5FA3D3',
    500: '#3D85B8',
    600: '#35688C',
    700: '#2B4C64',
    800: '#203341',
    900: '#152028',
  },
}

$base: #4DA3DF;
$base-ink: #141310;
$base-50: #F1F8FD;
$base-100: #DBEDFA;
$base-200: #BADBF3;
$base-300: #8ABFE5;
$base-400: #5FA3D3;
$base-500: #3D85B8;
$base-600: #35688C;
$base-700: #2B4C64;
$base-800: #203341;
$base-900: #152028;
$base-hover: #2486CD;
$base-subtle: #CFE2F0;

{
    "color": {
        "base": {
            "value": "#4DA3DF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F8FD",
                "type": "color"
            },
            "100": {
                "value": "#DBEDFA",
                "type": "color"
            },
            "200": {
                "value": "#BADBF3",
                "type": "color"
            },
            "300": {
                "value": "#8ABFE5",
                "type": "color"
            },
            "400": {
                "value": "#5FA3D3",
                "type": "color"
            },
            "500": {
                "value": "#3D85B8",
                "type": "color"
            },
            "600": {
                "value": "#35688C",
                "type": "color"
            },
            "700": {
                "value": "#2B4C64",
                "type": "color"
            },
            "800": {
                "value": "#203341",
                "type": "color"
            },
            "900": {
                "value": "#152028",
                "type": "color"
            }
        }
    }
}