What color is #45ACDF?

#45ACDF is a medium, vivid cyan-blue. In RGB it is rgb(69, 172, 223), and in HSL hsl(200, 71%, 57%).

Is #45ACDF accessible as text?

On white, #45ACDF 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 #45ACDF, use black for the best readability.

What is the closest Tailwind color to #45ACDF?

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

What colors go well with #45ACDF?

#45ACDF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DF7743. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #45ACDF below.

Is #45ACDF good for buttons?

#45ACDF works well for buttons and highlights, but use black text on #45ACDF — white text only reaches 2.55:1, below the 4.5:1 needed for normal-size labels.

Is #45ACDF the same as CSS deepskyblue?

No — #45ACDF is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#45ACDF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #45ACDF

Not just a swatch — here's how #45ACDF works with other colors. Named schemes with #45ACDF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #45ACDF Accent #A6C4C0 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 #45ACDF 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 #45ACDF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7AD2FF

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 #45ACDF Secondary #B3D2E4 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 #45ACDF Anchor #3C2925 Surface #EAE5D0 Accent #7B9E76 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 #45ACDF 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 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 70/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #45ACDF

For UI

For branding

For interior

For fashion

People also use #45ACDF with

Turquoise Iris Burnt Sienna 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 #DEEDF4 for cards and hover fills. Tint 80

Avoid beside #4377DF — 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 #45ACDF 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: #45ACDF;
  --color-base-rgb: 69 172 223;
  --color-base-oklch: oklch(70.6% 0.120 233.8);
  --color-50: #F1F9FD;
  --color-100: #DBF0FA;
  --color-200: #B9E0F3;
  --color-300: #8AC7E5;
  --color-400: #5EADD4;
  --color-500: #3C8FB9;
  --color-600: #35708D;
  --color-700: #2B5164;
  --color-800: #1F3642;
  --color-900: #152228;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  picton-blue: {
    50: '#F1F9FD',
    100: '#DBF0FA',
    200: '#B9E0F3',
    300: '#8AC7E5',
    400: '#5EADD4',
    500: '#3C8FB9',
    600: '#35708D',
    700: '#2B5164',
    800: '#1F3642',
    900: '#152228',
  },
}

$base: #45ACDF;
$base-ink: #141310;
$base-50: #F1F9FD;
$base-100: #DBF0FA;
$base-200: #B9E0F3;
$base-300: #8AC7E5;
$base-400: #5EADD4;
$base-500: #3C8FB9;
$base-600: #35708D;
$base-700: #2B5164;
$base-800: #1F3642;
$base-900: #152228;
$base-hover: #2290C7;
$base-subtle: #CCE4F0;

{
    "color": {
        "base": {
            "value": "#45ACDF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F9FD",
                "type": "color"
            },
            "100": {
                "value": "#DBF0FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E0F3",
                "type": "color"
            },
            "300": {
                "value": "#8AC7E5",
                "type": "color"
            },
            "400": {
                "value": "#5EADD4",
                "type": "color"
            },
            "500": {
                "value": "#3C8FB9",
                "type": "color"
            },
            "600": {
                "value": "#35708D",
                "type": "color"
            },
            "700": {
                "value": "#2B5164",
                "type": "color"
            },
            "800": {
                "value": "#1F3642",
                "type": "color"
            },
            "900": {
                "value": "#152228",
                "type": "color"
            }
        }
    }
}

Palettes built on #45ACDF

Color Lab

Pairs with #45ACDF

UI roles & guardrails

In real applications

Scales

Every model

Export