What color is #18739A?

#18739A is a dark, vivid cyan-blue. In RGB it is rgb(24, 115, 154), and in HSL hsl(198, 73%, 35%).

Is #18739A accessible as text?

On white, #18739A has a contrast ratio of 5.31:1 (passes WCAG AA for body text); on black it is 3.96:1 (fails). For text placed on #18739A, use white for the best readability.

What is the closest Tailwind color to #18739A?

The nearest Tailwind CSS token is cyan-700 (#007595).

What colors go well with #18739A?

#18739A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9A3F18. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18739A below.

Is #18739A good for buttons?

#18739A works well for buttons and highlights, but use white text on #18739A — black text only reaches 3.96:1, below the 4.5:1 needed for normal-size labels.

Is #18739A the same as CSS teal?

No — #18739A is not the CSS named color teal, but teal (#008080) is the closest CSS named color.

#18739A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18739A

Not just a swatch — here's how #18739A works with other colors. Named schemes with #18739A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #18739A Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Teal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #18739A Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4F97BB

Teal 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 Teal Blue.

Vintage Leather Lead · 5 colors

Lead #18739A Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Teal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #18739A Surface #EEE9D6 Anchor #592247 Accent #E4C2CC Secondary #322B30

Teal Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #18739A Secondary #7F98A6 Support #969386 Ink #16140F

Teal 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 Teal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #18739A 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 20/100

Cool

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 47/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 55/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 94/100

Very high

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

Surface fit 24/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #18739A

For UI

For branding

For interior

For fashion

People also use #18739A with

Medium Sea Green Klein Blue Chestnut Platinum Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

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

Background Pair with white text at 5.3:1. Use

Subtle surface Use #CCE5EF for cards and hover fills. Tint 80

Avoid beside #18489A — 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 #18739A 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: #18739A;
  --color-base-rgb: 24 115 154;
  --color-base-oklch: oklch(52.4% 0.100 232.8);
  --color-50: #F1FAFD;
  --color-100: #DBF1FA;
  --color-200: #B9E2F4;
  --color-300: #88CAE7;
  --color-400: #5DB1D5;
  --color-500: #3A94BB;
  --color-600: #33738E;
  --color-700: #2A5365;
  --color-800: #1F3742;
  --color-900: #152328;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F1FAFD',
    100: '#DBF1FA',
    200: '#B9E2F4',
    300: '#88CAE7',
    400: '#5DB1D5',
    500: '#3A94BB',
    600: '#33738E',
    700: '#2A5365',
    800: '#1F3742',
    900: '#152328',
  },
}

$base: #18739A;
$base-ink: #FFFFFF;
$base-50: #F1FAFD;
$base-100: #DBF1FA;
$base-200: #B9E2F4;
$base-300: #88CAE7;
$base-400: #5DB1D5;
$base-500: #3A94BB;
$base-600: #33738E;
$base-700: #2A5365;
$base-800: #1F3742;
$base-900: #152328;
$base-hover: #135C7C;
$base-subtle: #B2D8E9;

{
    "color": {
        "base": {
            "value": "#18739A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF1FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E2F4",
                "type": "color"
            },
            "300": {
                "value": "#88CAE7",
                "type": "color"
            },
            "400": {
                "value": "#5DB1D5",
                "type": "color"
            },
            "500": {
                "value": "#3A94BB",
                "type": "color"
            },
            "600": {
                "value": "#33738E",
                "type": "color"
            },
            "700": {
                "value": "#2A5365",
                "type": "color"
            },
            "800": {
                "value": "#1F3742",
                "type": "color"
            },
            "900": {
                "value": "#152328",
                "type": "color"
            }
        }
    }
}

Palettes built on #18739A

Color Lab

Pairs with #18739A

UI roles & guardrails

In real applications

Scales

Every model

Export