What color is #199DA4?

#199DA4 is a dark, vivid cyan. In RGB it is rgb(25, 157, 164), and in HSL hsl(183, 74%, 37%).

Is #199DA4 accessible as text?

On white, #199DA4 has a contrast ratio of 3.28:1 (fails WCAG AA for body text); on black it is 6.40:1 (passes). For text placed on #199DA4, use black for the best readability.

What is the closest Tailwind color to #199DA4?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #199DA4?

#199DA4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A42019. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #199DA4 below.

Is #199DA4 good for buttons?

#199DA4 works well for buttons and highlights, but use black text on #199DA4 — white text only reaches 3.28:1, below the 4.5:1 needed for normal-size labels.

Is #199DA4 the same as CSS cadetblue?

No — #199DA4 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#199DA4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #199DA4

Not just a swatch — here's how #199DA4 works with other colors. Named schemes with #199DA4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #199DA4 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #199DA4 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 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 #199DA4 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #5EC1C7

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 #199DA4 Secondary #9CBDBF Support #979286 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 #199DA4 Anchor #382C1D Surface #EBE4D0 Accent #809D72 Secondary #3A3933

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 #199DA4 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 23/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

Low

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

Naturalness 11/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 40/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 78/100

High

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

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #199DA4

For UI

For branding

For interior

For fashion

People also use #199DA4 with

Emerald Green Cobalt Blue Cherry Red 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 5.7:1. Use

Subtle surface Use #CEEEF0 for cards and hover fills. Tint 80

Avoid beside #196FA4 — 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 #199DA4 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: #199DA4;
  --color-base-rgb: 25 157 164;
  --color-base-oklch: oklch(63.5% 0.104 200.7);
  --color-50: #F1FDFE;
  --color-100: #DBF9FB;
  --color-200: #B8F1F4;
  --color-300: #88E3E7;
  --color-400: #5CD0D6;
  --color-500: #39B5BC;
  --color-600: #338A8F;
  --color-700: #2A6265;
  --color-800: #1F4042;
  --color-900: #152829;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F1FDFE',
    100: '#DBF9FB',
    200: '#B8F1F4',
    300: '#88E3E7',
    400: '#5CD0D6',
    500: '#39B5BC',
    600: '#338A8F',
    700: '#2A6265',
    800: '#1F4042',
    900: '#152829',
  },
}

$base: #199DA4;
$base-ink: #141310;
$base-50: #F1FDFE;
$base-100: #DBF9FB;
$base-200: #B8F1F4;
$base-300: #88E3E7;
$base-400: #5CD0D6;
$base-500: #39B5BC;
$base-600: #338A8F;
$base-700: #2A6265;
$base-800: #1F4042;
$base-900: #152829;
$base-hover: #147E83;
$base-subtle: #B4E7EA;

{
    "color": {
        "base": {
            "value": "#199DA4",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDFE",
                "type": "color"
            },
            "100": {
                "value": "#DBF9FB",
                "type": "color"
            },
            "200": {
                "value": "#B8F1F4",
                "type": "color"
            },
            "300": {
                "value": "#88E3E7",
                "type": "color"
            },
            "400": {
                "value": "#5CD0D6",
                "type": "color"
            },
            "500": {
                "value": "#39B5BC",
                "type": "color"
            },
            "600": {
                "value": "#338A8F",
                "type": "color"
            },
            "700": {
                "value": "#2A6265",
                "type": "color"
            },
            "800": {
                "value": "#1F4042",
                "type": "color"
            },
            "900": {
                "value": "#152829",
                "type": "color"
            }
        }
    }
}

Palettes built on #199DA4

Color Lab

Pairs with #199DA4

UI roles & guardrails

In real applications

Scales

Every model

Export