What color is #3DADDD?

#3DADDD is a medium, vivid cyan-blue. In RGB it is rgb(61, 173, 221), and in HSL hsl(198, 70%, 55%).

Is #3DADDD accessible as text?

On white, #3DADDD has a contrast ratio of 2.55:1 (fails WCAG AA for body text); on black it is 8.22:1 (passes). For text placed on #3DADDD, use black for the best readability.

What is the closest Tailwind color to #3DADDD?

The nearest Tailwind CSS token is cyan-500 (#00B8DB).

What colors go well with #3DADDD?

#3DADDD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DD6C3C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3DADDD below.

Is #3DADDD good for buttons?

#3DADDD works well for buttons and highlights, but use black text on #3DADDD — white text only reaches 2.55:1, below the 4.5:1 needed for normal-size labels.

Is #3DADDD the same as CSS deepskyblue?

No — #3DADDD is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#3DADDD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3DADDD

Not just a swatch — here's how #3DADDD works with other colors. Named schemes with #3DADDD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3DADDD Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Picton 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 #3DADDD Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Picton 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 #3DADDD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #75D3FF

Picton 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 Picton Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3DADDD Secondary #B1D2E3 Support #969386 Ink #16140F

Picton 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 Picton Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #3DADDD Anchor #372C1D Surface #EAE5D0 Accent #7C9D76 Secondary #393933

Picton 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 #3DADDD 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 14/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 30/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 37/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3DADDD

For UI

For branding

For interior

For fashion

People also use #3DADDD with

Turquoise Cerulean Chocolate Platinum Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

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 7.3:1. Use

Subtle surface Use #DCEDF4 for cards and hover fills. Tint 80

Avoid beside #3C77DD — 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 #3DADDD 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: #3DADDD;
  --color-base-rgb: 61 173 221;
  --color-base-oklch: oklch(70.5% 0.121 230.7);
  --color-50: #F1FAFD;
  --color-100: #DBF1FA;
  --color-200: #BAE2F3;
  --color-300: #8ACAE5;
  --color-400: #5FB0D3;
  --color-500: #3D93B8;
  --color-600: #35728C;
  --color-700: #2B5364;
  --color-800: #203741;
  --color-900: #152228;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  picton-blue: {
    50: '#F1FAFD',
    100: '#DBF1FA',
    200: '#BAE2F3',
    300: '#8ACAE5',
    400: '#5FB0D3',
    500: '#3D93B8',
    600: '#35728C',
    700: '#2B5364',
    800: '#203741',
    900: '#152228',
  },
}

$base: #3DADDD;
$base-ink: #141310;
$base-50: #F1FAFD;
$base-100: #DBF1FA;
$base-200: #BAE2F3;
$base-300: #8ACAE5;
$base-400: #5FB0D3;
$base-500: #3D93B8;
$base-600: #35728C;
$base-700: #2B5364;
$base-800: #203741;
$base-900: #152228;
$base-hover: #2290BF;
$base-subtle: #CAE4EF;

{
    "color": {
        "base": {
            "value": "#3DADDD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF1FA",
                "type": "color"
            },
            "200": {
                "value": "#BAE2F3",
                "type": "color"
            },
            "300": {
                "value": "#8ACAE5",
                "type": "color"
            },
            "400": {
                "value": "#5FB0D3",
                "type": "color"
            },
            "500": {
                "value": "#3D93B8",
                "type": "color"
            },
            "600": {
                "value": "#35728C",
                "type": "color"
            },
            "700": {
                "value": "#2B5364",
                "type": "color"
            },
            "800": {
                "value": "#203741",
                "type": "color"
            },
            "900": {
                "value": "#152228",
                "type": "color"
            }
        }
    }
}

Palettes built on #3DADDD

Color Lab

Pairs with #3DADDD

UI roles & guardrails

In real applications

Scales

Every model

Export