What color is #3BBBF7?

#3BBBF7 is a medium, vivid cyan-blue. In RGB it is rgb(59, 187, 247), and in HSL hsl(199, 92%, 60%).

Is #3BBBF7 accessible as text?

On white, #3BBBF7 has a contrast ratio of 2.18:1 (fails WCAG AA for body text); on black it is 9.64:1 (passes). For text placed on #3BBBF7, use black for the best readability.

What is the closest Tailwind color to #3BBBF7?

The nearest Tailwind CSS token is sky-400 (#00BCFF).

What colors go well with #3BBBF7?

#3BBBF7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F7773B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3BBBF7 below.

Is #3BBBF7 good for buttons?

#3BBBF7 works well for buttons and highlights, but use black text on #3BBBF7 — white text only reaches 2.18:1, below the 4.5:1 needed for normal-size labels.

Is #3BBBF7 the same as CSS deepskyblue?

No — #3BBBF7 is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#3BBBF7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3BBBF7

Not just a swatch — here's how #3BBBF7 works with other colors. Named schemes with #3BBBF7 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3BBBF7 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Deep Sky 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 #3BBBF7 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Deep Sky 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 #3BBBF7 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #79E1FF

Deep Sky 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 Deep Sky Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3BBBF7 Secondary #BCE1F6 Support #969386 Ink #16140F

Deep Sky 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 Deep Sky Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #3BBBF7 Anchor #3C2925 Surface #EAE5D0 Accent #7B9E76 Secondary #393933

Deep Sky 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 #3BBBF7 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 9/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 26/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 32/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 53/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 44/100

Moderate

Workable accent with care around contrast.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3BBBF7

For UI

For branding

For interior

For fashion

People also use #3BBBF7 with

Aquamarine Neon Blue 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 8.5:1. Use

Subtle surface Use #DDF0F8 for cards and hover fills. Tint 80

Avoid beside #3B7DF7 — 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 #3BBBF7 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #3BBBF7;
  --color-base-rgb: 59 187 247;
  --color-base-oklch: oklch(74.9% 0.138 233.8);
  --color-50: #F0FAFE;
  --color-100: #D8F1FD;
  --color-200: #B1E4FC;
  --color-300: #7CCDF3;
  --color-400: #4DB5E5;
  --color-500: #2998CB;
  --color-600: #28769A;
  --color-700: #22556D;
  --color-800: #1A3947;
  --color-900: #12232B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  deep-sky-blue: {
    50: '#F0FAFE',
    100: '#D8F1FD',
    200: '#B1E4FC',
    300: '#7CCDF3',
    400: '#4DB5E5',
    500: '#2998CB',
    600: '#28769A',
    700: '#22556D',
    800: '#1A3947',
    900: '#12232B',
  },
}

$base: #3BBBF7;
$base-ink: #141310;
$base-50: #F0FAFE;
$base-100: #D8F1FD;
$base-200: #B1E4FC;
$base-300: #7CCDF3;
$base-400: #4DB5E5;
$base-500: #2998CB;
$base-600: #28769A;
$base-700: #22556D;
$base-800: #1A3947;
$base-900: #12232B;
$base-hover: #0AA4EB;
$base-subtle: #CBE8F6;

{
    "color": {
        "base": {
            "value": "#3BBBF7",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F1FD",
                "type": "color"
            },
            "200": {
                "value": "#B1E4FC",
                "type": "color"
            },
            "300": {
                "value": "#7CCDF3",
                "type": "color"
            },
            "400": {
                "value": "#4DB5E5",
                "type": "color"
            },
            "500": {
                "value": "#2998CB",
                "type": "color"
            },
            "600": {
                "value": "#28769A",
                "type": "color"
            },
            "700": {
                "value": "#22556D",
                "type": "color"
            },
            "800": {
                "value": "#1A3947",
                "type": "color"
            },
            "900": {
                "value": "#12232B",
                "type": "color"
            }
        }
    }
}

Palettes built on #3BBBF7

Color Lab

Pairs with #3BBBF7

UI roles & guardrails

In real applications

Scales

Every model

Export