What color is #37ADE0?

#37ADE0 is a medium, vivid cyan-blue. In RGB it is rgb(55, 173, 224), and in HSL hsl(198, 73%, 55%).

Is #37ADE0 accessible as text?

On white, #37ADE0 has a contrast ratio of 2.56:1 (fails WCAG AA for body text); on black it is 8.22:1 (passes). For text placed on #37ADE0, use black for the best readability.

What is the closest Tailwind color to #37ADE0?

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

What colors go well with #37ADE0?

#37ADE0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E06B38. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37ADE0 below.

Is #37ADE0 good for buttons?

#37ADE0 works well for buttons and highlights, but use black text on #37ADE0 — white text only reaches 2.56:1, below the 4.5:1 needed for normal-size labels.

Is #37ADE0 the same as CSS deepskyblue?

No — #37ADE0 is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#37ADE0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37ADE0

Not just a swatch — here's how #37ADE0 works with other colors. Named schemes with #37ADE0 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #37ADE0 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 #37ADE0 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 #37ADE0 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #72D3FF

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 #37ADE0 Secondary #B0D2E4 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 #37ADE0 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 #37ADE0 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 13/100

Cool

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

Softness 54/100

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 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 37/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #37ADE0

For UI

For branding

For interior

For fashion

People also use #37ADE0 with

Turquoise Neon Blue 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 #3876E0 — 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 #37ADE0 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: #37ADE0;
  --color-base-rgb: 55 173 224;
  --color-base-oklch: oklch(70.5% 0.126 231.5);
  --color-50: #F1FAFD;
  --color-100: #DBF1FA;
  --color-200: #B9E2F4;
  --color-300: #88CAE7;
  --color-400: #5DB1D5;
  --color-500: #3A94BB;
  --color-600: #33738E;
  --color-700: #2A5365;
  --color-800: #1F3742;
  --color-900: #152328;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  picton-blue: {
    50: '#F1FAFD',
    100: '#DBF1FA',
    200: '#B9E2F4',
    300: '#88CAE7',
    400: '#5DB1D5',
    500: '#3A94BB',
    600: '#33738E',
    700: '#2A5365',
    800: '#1F3742',
    900: '#152328',
  },
}

$base: #37ADE0;
$base-ink: #141310;
$base-50: #F1FAFD;
$base-100: #DBF1FA;
$base-200: #B9E2F4;
$base-300: #88CAE7;
$base-400: #5DB1D5;
$base-500: #3A94BB;
$base-600: #33738E;
$base-700: #2A5365;
$base-800: #1F3742;
$base-900: #152328;
$base-hover: #1E91C2;
$base-subtle: #C9E4F0;

{
    "color": {
        "base": {
            "value": "#37ADE0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF1FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E2F4",
                "type": "color"
            },
            "300": {
                "value": "#88CAE7",
                "type": "color"
            },
            "400": {
                "value": "#5DB1D5",
                "type": "color"
            },
            "500": {
                "value": "#3A94BB",
                "type": "color"
            },
            "600": {
                "value": "#33738E",
                "type": "color"
            },
            "700": {
                "value": "#2A5365",
                "type": "color"
            },
            "800": {
                "value": "#1F3742",
                "type": "color"
            },
            "900": {
                "value": "#152328",
                "type": "color"
            }
        }
    }
}

Palettes built on #37ADE0

Color Lab

Pairs with #37ADE0

UI roles & guardrails

In real applications

Scales

Every model

Export