What color is #0BC5DA?

#0BC5DA is a medium, vivid cyan. In RGB it is rgb(11, 197, 218), and in HSL hsl(186, 90%, 45%).

Is #0BC5DA accessible as text?

On white, #0BC5DA has a contrast ratio of 2.10:1 (fails WCAG AA for body text); on black it is 10.01:1 (passes). For text placed on #0BC5DA, use black for the best readability.

What is the closest Tailwind color to #0BC5DA?

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

What colors go well with #0BC5DA?

#0BC5DA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DA200B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0BC5DA below.

Is #0BC5DA good for buttons?

#0BC5DA works well for buttons and highlights, but use black text on #0BC5DA — white text only reaches 2.10:1, below the 4.5:1 needed for normal-size labels.

Is #0BC5DA the same as CSS darkturquoise?

No — #0BC5DA is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#0BC5DA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0BC5DA

Not just a swatch — here's how #0BC5DA works with other colors. Named schemes with #0BC5DA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0BC5DA Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Lagoon 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 #0BC5DA Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Lagoon 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 #0BC5DA Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #6AEBFE

Lagoon 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 Lagoon Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #0BC5DA Secondary #BAE5EC Support #979286 Ink #16140F

Lagoon 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 Lagoon Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #0BC5DA Anchor #372C1D Surface #EBE5D0 Accent #7F9D73 Secondary #3A3933

Lagoon 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 #0BC5DA 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 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 25/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 32/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 66/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #0BC5DA

For UI

For branding

For interior

For fashion

People also use #0BC5DA with

Medium Spring Green Cerulean Fire Engine Red 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 8.9:1. Use

Subtle surface Use #D1F1F5 for cards and hover fills. Tint 80

Avoid beside #0B81DA — 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 #0BC5DA 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: #0BC5DA;
  --color-base-rgb: 11 197 218;
  --color-base-oklch: oklch(75.4% 0.129 208.4);
  --color-50: #F0FDFE;
  --color-100: #D8FAFD;
  --color-200: #B2F3FB;
  --color-300: #7EE6F2;
  --color-400: #4FD5E3;
  --color-500: #2BBACA;
  --color-600: #298E99;
  --color-700: #23646C;
  --color-800: #1B4246;
  --color-900: #12282B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F0FDFE',
    100: '#D8FAFD',
    200: '#B2F3FB',
    300: '#7EE6F2',
    400: '#4FD5E3',
    500: '#2BBACA',
    600: '#298E99',
    700: '#23646C',
    800: '#1B4246',
    900: '#12282B',
  },
}

$base: #0BC5DA;
$base-ink: #141310;
$base-50: #F0FDFE;
$base-100: #D8FAFD;
$base-200: #B2F3FB;
$base-300: #7EE6F2;
$base-400: #4FD5E3;
$base-500: #2BBACA;
$base-600: #298E99;
$base-700: #23646C;
$base-800: #1B4246;
$base-900: #12282B;
$base-hover: #099EAE;
$base-subtle: #B8ECF2;

{
    "color": {
        "base": {
            "value": "#0BC5DA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8FAFD",
                "type": "color"
            },
            "200": {
                "value": "#B2F3FB",
                "type": "color"
            },
            "300": {
                "value": "#7EE6F2",
                "type": "color"
            },
            "400": {
                "value": "#4FD5E3",
                "type": "color"
            },
            "500": {
                "value": "#2BBACA",
                "type": "color"
            },
            "600": {
                "value": "#298E99",
                "type": "color"
            },
            "700": {
                "value": "#23646C",
                "type": "color"
            },
            "800": {
                "value": "#1B4246",
                "type": "color"
            },
            "900": {
                "value": "#12282B",
                "type": "color"
            }
        }
    }
}

Palettes built on #0BC5DA

Color Lab

Pairs with #0BC5DA

UI roles & guardrails

In real applications

Scales

Every model

Export