What color is #5BCBF1?

#5BCBF1 is a light, vivid cyan. In RGB it is rgb(91, 203, 241), and in HSL hsl(195, 84%, 65%).

Is #5BCBF1 accessible as text?

On white, #5BCBF1 has a contrast ratio of 1.87:1 (fails WCAG AA for body text); on black it is 11.26:1 (passes). For text placed on #5BCBF1, use black for the best readability.

What is the closest Tailwind color to #5BCBF1?

The nearest Tailwind CSS token is cyan-400 (#00D3F2).

What colors go well with #5BCBF1?

#5BCBF1 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F1805B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5BCBF1 below.

Is #5BCBF1 good for buttons?

#5BCBF1 works well for buttons and highlights, but use black text on #5BCBF1 — white text only reaches 1.87:1, below the 4.5:1 needed for normal-size labels.

Is #5BCBF1 the same as CSS skyblue?

No — #5BCBF1 is not the CSS named color skyblue, but skyblue (#87CEEB) is the closest CSS named color.

#5BCBF1 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5BCBF1

Not just a swatch — here's how #5BCBF1 works with other colors. Named schemes with #5BCBF1 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #5BCBF1 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Bright Sky 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 #5BCBF1 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Bright Sky 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 #5BCBF1 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #91F1FF

Bright Sky is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Bright Sky.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #5BCBF1 Secondary #CDEFFC Support #969386 Ink #16140F

Bright Sky 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 Bright Sky carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #5BCBF1 Anchor #372C1D Surface #EBE5D0 Accent #7D9D75 Secondary #393933

Bright Sky 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 #5BCBF1 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 16/100

Cool

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

Softness 62/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 28/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 30/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #5BCBF1

For UI

For branding

For interior

For fashion

People also use #5BCBF1 with

Aquamarine Medium Slate Blue Dark Salmon Platinum Dark Slate Gray

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 10.0:1. Use

Subtle surface Use #E2F3F8 for cards and hover fills. Tint 80

Avoid beside #5B99F1 — 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 #5BCBF1 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: #5BCBF1;
  --color-base-rgb: 91 203 241;
  --color-base-oklch: oklch(79.2% 0.114 223.5);
  --color-50: #F0FBFE;
  --color-100: #D8F4FD;
  --color-200: #B4E7F8;
  --color-300: #81D3EE;
  --color-400: #53BCDF;
  --color-500: #309FC4;
  --color-600: #2D7B95;
  --color-700: #255869;
  --color-800: #1C3B45;
  --color-900: #13242A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bright-sky: {
    50: '#F0FBFE',
    100: '#D8F4FD',
    200: '#B4E7F8',
    300: '#81D3EE',
    400: '#53BCDF',
    500: '#309FC4',
    600: '#2D7B95',
    700: '#255869',
    800: '#1C3B45',
    900: '#13242A',
  },
}

$base: #5BCBF1;
$base-ink: #141310;
$base-50: #F0FBFE;
$base-100: #D8F4FD;
$base-200: #B4E7F8;
$base-300: #81D3EE;
$base-400: #53BCDF;
$base-500: #309FC4;
$base-600: #2D7B95;
$base-700: #255869;
$base-800: #1C3B45;
$base-900: #13242A;
$base-hover: #1EB8EB;
$base-subtle: #D3EDF5;

{
    "color": {
        "base": {
            "value": "#5BCBF1",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FBFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F4FD",
                "type": "color"
            },
            "200": {
                "value": "#B4E7F8",
                "type": "color"
            },
            "300": {
                "value": "#81D3EE",
                "type": "color"
            },
            "400": {
                "value": "#53BCDF",
                "type": "color"
            },
            "500": {
                "value": "#309FC4",
                "type": "color"
            },
            "600": {
                "value": "#2D7B95",
                "type": "color"
            },
            "700": {
                "value": "#255869",
                "type": "color"
            },
            "800": {
                "value": "#1C3B45",
                "type": "color"
            },
            "900": {
                "value": "#13242A",
                "type": "color"
            }
        }
    }
}