What color is #166F8F?

#166F8F is a dark, vivid cyan-blue. In RGB it is rgb(22, 111, 143), and in HSL hsl(196, 73%, 32%).

Is #166F8F accessible as text?

On white, #166F8F has a contrast ratio of 5.67:1 (passes WCAG AA for body text); on black it is 3.70:1 (fails). For text placed on #166F8F, use white for the best readability.

What is the closest Tailwind color to #166F8F?

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

What colors go well with #166F8F?

#166F8F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8D3616. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #166F8F below.

Is #166F8F good for buttons?

#166F8F works well for buttons and highlights, but use white text on #166F8F — black text only reaches 3.70:1, below the 4.5:1 needed for normal-size labels.

Is #166F8F the same as CSS teal?

No — #166F8F is not the CSS named color teal, but teal (#008080) is the closest CSS named color.

#166F8F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #166F8F

Not just a swatch — here's how #166F8F works with other colors. Named schemes with #166F8F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #166F8F Accent #A6C4BF 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 #166F8F Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #4D92B0

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 #166F8F 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 #166F8F 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 #166F8F Secondary #7B939E 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.

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Color Lab

How #166F8F 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 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 49/100

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 55/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 55/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 25/100

Low

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

UI accent fit 90/100

Very high

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

Surface fit 25/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #166F8F

For UI

For branding

For interior

For fashion

People also use #166F8F with

Jungle Green Klein Blue Burnt Umber Platinum Dark Slate Gray

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 5.7:1. Use

Subtle surface Use #CAE5EF for cards and hover fills. Tint 80

Avoid beside #16468D — 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 #166F8F at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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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: #166F8F;
  --color-base-rgb: 22 111 143;
  --color-base-oklch: oklch(50.8% 0.093 228.3);
  --color-50: #F1FAFD;
  --color-100: #DBF2FA;
  --color-200: #B9E4F4;
  --color-300: #88CEE7;
  --color-400: #5DB5D5;
  --color-500: #3A98BB;
  --color-600: #33768E;
  --color-700: #2A5565;
  --color-800: #1F3942;
  --color-900: #152328;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F1FAFD',
    100: '#DBF2FA',
    200: '#B9E4F4',
    300: '#88CEE7',
    400: '#5DB5D5',
    500: '#3A98BB',
    600: '#33768E',
    700: '#2A5565',
    800: '#1F3942',
    900: '#152328',
  },
}

$base: #166F8F;
$base-ink: #FFFFFF;
$base-50: #F1FAFD;
$base-100: #DBF2FA;
$base-200: #B9E4F4;
$base-300: #88CEE7;
$base-400: #5DB5D5;
$base-500: #3A98BB;
$base-600: #33768E;
$base-700: #2A5565;
$base-800: #1F3942;
$base-900: #152328;
$base-hover: #125871;
$base-subtle: #AED8E8;

{
    "color": {
        "base": {
            "value": "#166F8F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF2FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E4F4",
                "type": "color"
            },
            "300": {
                "value": "#88CEE7",
                "type": "color"
            },
            "400": {
                "value": "#5DB5D5",
                "type": "color"
            },
            "500": {
                "value": "#3A98BB",
                "type": "color"
            },
            "600": {
                "value": "#33768E",
                "type": "color"
            },
            "700": {
                "value": "#2A5565",
                "type": "color"
            },
            "800": {
                "value": "#1F3942",
                "type": "color"
            },
            "900": {
                "value": "#152328",
                "type": "color"
            }
        }
    }
}

Palettes built on #166F8F

Color Lab

Pairs with #166F8F

UI roles & guardrails

In real applications

Scales

Every model

Export