What color is #439DBB?

#439DBB is a medium cyan. In RGB it is rgb(67, 157, 187), and in HSL hsl(195, 47%, 50%).

Is #439DBB accessible as text?

On white, #439DBB has a contrast ratio of 3.10:1 (fails WCAG AA for body text); on black it is 6.78:1 (passes). For text placed on #439DBB, use black for the best readability.

What is the closest Tailwind color to #439DBB?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #439DBB?

#439DBB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BB6244. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #439DBB below.

Is #439DBB good for buttons?

#439DBB works well for buttons and highlights, but use black text on #439DBB — white text only reaches 3.10:1, below the 4.5:1 needed for normal-size labels.

Is #439DBB the same as CSS cadetblue?

No — #439DBB is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#439DBB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #439DBB

Not just a swatch — here's how #439DBB works with other colors. Named schemes with #439DBB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #439DBB Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Bondi 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 #439DBB Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Bondi 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 #439DBB Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #75C2DE

Bondi 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 Bondi Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #439DBB Secondary #A6C1CC Support #969386 Ink #16140F

Bondi 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 Bondi Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #439DBB Anchor #372C1D Surface #EBE5D0 Accent #7D9D75 Secondary #393933

Bondi 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 #439DBB 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 22/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 71/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #439DBB

For UI

For branding

For interior

For fashion

People also use #439DBB with

Medium Aquamarine Cerulean Burnt Orange Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 6.0:1. Use

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

Avoid beside #4476BB — 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 #439DBB 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: #439DBB;
  --color-base-rgb: 67 157 187;
  --color-base-oklch: oklch(65.4% 0.096 223.2);
  --color-50: #F3F9FB;
  --color-100: #E0F0F5;
  --color-200: #C3E0E9;
  --color-300: #99C7D6;
  --color-400: #72ACC0;
  --color-500: #518FA4;
  --color-600: #44707E;
  --color-700: #34515A;
  --color-800: #25363C;
  --color-900: #182225;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F3F9FB',
    100: '#E0F0F5',
    200: '#C3E0E9',
    300: '#99C7D6',
    400: '#72ACC0',
    500: '#518FA4',
    600: '#44707E',
    700: '#34515A',
    800: '#25363C',
    900: '#182225',
  },
}

$base: #439DBB;
$base-ink: #141310;
$base-50: #F3F9FB;
$base-100: #E0F0F5;
$base-200: #C3E0E9;
$base-300: #99C7D6;
$base-400: #72ACC0;
$base-500: #518FA4;
$base-600: #44707E;
$base-700: #34515A;
$base-800: #25363C;
$base-900: #182225;
$base-hover: #367E96;
$base-subtle: #CBE0E6;

{
    "color": {
        "base": {
            "value": "#439DBB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F9FB",
                "type": "color"
            },
            "100": {
                "value": "#E0F0F5",
                "type": "color"
            },
            "200": {
                "value": "#C3E0E9",
                "type": "color"
            },
            "300": {
                "value": "#99C7D6",
                "type": "color"
            },
            "400": {
                "value": "#72ACC0",
                "type": "color"
            },
            "500": {
                "value": "#518FA4",
                "type": "color"
            },
            "600": {
                "value": "#44707E",
                "type": "color"
            },
            "700": {
                "value": "#34515A",
                "type": "color"
            },
            "800": {
                "value": "#25363C",
                "type": "color"
            },
            "900": {
                "value": "#182225",
                "type": "color"
            }
        }
    }
}

Palettes built on #439DBB

Color Lab

Pairs with #439DBB

UI roles & guardrails

In real applications

Scales

Every model

Export