What color is #166389?

#166389 is a dark, vivid cyan-blue. In RGB it is rgb(22, 99, 137), and in HSL hsl(200, 72%, 31%).

Is #166389 accessible as text?

On white, #166389 has a contrast ratio of 6.60:1 (passes WCAG AA for body text); on black it is 3.18:1 (fails). For text placed on #166389, use white for the best readability.

What is the closest Tailwind color to #166389?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #166389?

#166389 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #883C16. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #166389 below.

Is #166389 good for buttons?

#166389 works well for buttons and highlights, but use white text on #166389 — black text only reaches 3.18:1, below the 4.5:1 needed for normal-size labels.

Is #166389 the same as CSS teal?

No — #166389 is not the CSS named color teal, but teal (#008080) is the closest CSS named color.

#166389 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #166389

Not just a swatch — here's how #166389 works with other colors. Named schemes with #166389 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #166389 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Lapis Lazuli 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 #166389 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4986AA

Lapis Lazuli is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lapis Lazuli.

Vintage Leather Lead · 5 colors

Lead #166389 Secondary #6E5216 Surface #E2DDC0 Accent #385245 Anchor #57233D

Lapis Lazuli 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 #166389 Surface #EEE9D6 Anchor #592247 Accent #E4C2CC Secondary #322B30

Lapis Lazuli 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 #166389 Secondary #728896 Support #969386 Ink #16140F

Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #166389 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 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

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 86/100

Very high

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

Surface fit 26/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #166389

For UI

For branding

For interior

For fashion

People also use #166389 with

Jungle Green Phthalo Blue Russet 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 6.6:1. Use

Subtle surface Use #CAE2EE for cards and hover fills. Tint 80

Avoid beside #163C88 — 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 #166389 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: #166389;
  --color-base-rgb: 22 99 137;
  --color-base-oklch: oklch(47.4% 0.093 236.1);
  --color-50: #F1F9FD;
  --color-100: #DBF0FA;
  --color-200: #B9E0F3;
  --color-300: #89C7E6;
  --color-400: #5DADD5;
  --color-500: #3B90BA;
  --color-600: #34708E;
  --color-700: #2A5164;
  --color-800: #1F3642;
  --color-900: #152228;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F1F9FD',
    100: '#DBF0FA',
    200: '#B9E0F3',
    300: '#89C7E6',
    400: '#5DADD5',
    500: '#3B90BA',
    600: '#34708E',
    700: '#2A5164',
    800: '#1F3642',
    900: '#152228',
  },
}

$base: #166389;
$base-ink: #FFFFFF;
$base-50: #F1F9FD;
$base-100: #DBF0FA;
$base-200: #B9E0F3;
$base-300: #89C7E6;
$base-400: #5DADD5;
$base-500: #3B90BA;
$base-600: #34708E;
$base-700: #2A5164;
$base-800: #1F3642;
$base-900: #152228;
$base-hover: #124E6D;
$base-subtle: #ADD4E7;

{
    "color": {
        "base": {
            "value": "#166389",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F9FD",
                "type": "color"
            },
            "100": {
                "value": "#DBF0FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E0F3",
                "type": "color"
            },
            "300": {
                "value": "#89C7E6",
                "type": "color"
            },
            "400": {
                "value": "#5DADD5",
                "type": "color"
            },
            "500": {
                "value": "#3B90BA",
                "type": "color"
            },
            "600": {
                "value": "#34708E",
                "type": "color"
            },
            "700": {
                "value": "#2A5164",
                "type": "color"
            },
            "800": {
                "value": "#1F3642",
                "type": "color"
            },
            "900": {
                "value": "#152228",
                "type": "color"
            }
        }
    }
}

Palettes built on #166389

Color Lab

Pairs with #166389

UI roles & guardrails

In real applications

Scales

Every model

Export