What color is #16233F?

#16233F is a very dark blue. In RGB it is rgb(22, 35, 63), and in HSL hsl(221, 48%, 17%).

Is #16233F accessible as text?

On white, #16233F has a contrast ratio of 15.60:1 (passes WCAG AA for body text); on black it is 1.35:1 (fails). For text placed on #16233F, use white for the best readability.

What is the closest Tailwind color to #16233F?

The nearest Tailwind CSS token is sky-950 (#052F4A).

What colors go well with #16233F?

#16233F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #403317. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #16233F below.

Is #16233F good for buttons?

#16233F works well for buttons and highlights, but use white text on #16233F — black text only reaches 1.35:1, below the 4.5:1 needed for normal-size labels.

Is #16233F the same as CSS midnightblue?

No — #16233F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#16233F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #16233F

Not just a swatch — here's how #16233F works with other colors. Named schemes with #16233F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #16233F Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Navy 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 #16233F Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 Anchor #2E3236

Navy 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 #16233F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #35425E

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

Vintage Leather Lead · 5 colors

Lead #16233F Secondary #7F4536 Surface #EED7C2 Accent #375246 Anchor #57223A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #16233F Secondary #424853 Support #9D8F88 Ink #18140F

Navy 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 Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #16233F 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 36/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 21/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #16233F

For UI

For branding

For interior

For fashion

People also use #16233F with

Dark Slate Gray Russian Violet Espresso Gainsboro Charcoal

UI roles & guardrails

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

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 15.6:1. Use

Subtle surface Use #C6CFE3 for cards and hover fills. Tint 80

Avoid beside #171740 — 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 #16233F 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: #16233F;
  --color-base-rgb: 22 35 63;
  --color-base-oklch: oklch(26.0% 0.056 264.1);
  --color-50: #F3F6FB;
  --color-100: #E0E7F5;
  --color-200: #C3CFEA;
  --color-300: #99ACD7;
  --color-400: #718AC1;
  --color-500: #506BA5;
  --color-600: #43567F;
  --color-700: #34405B;
  --color-800: #252C3C;
  --color-900: #181C25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F3F6FB',
    100: '#E0E7F5',
    200: '#C3CFEA',
    300: '#99ACD7',
    400: '#718AC1',
    500: '#506BA5',
    600: '#43567F',
    700: '#34405B',
    800: '#252C3C',
    900: '#181C25',
  },
}

$base: #16233F;
$base-ink: #FFFFFF;
$base-50: #F3F6FB;
$base-100: #E0E7F5;
$base-200: #C3CFEA;
$base-300: #99ACD7;
$base-400: #718AC1;
$base-500: #506BA5;
$base-600: #43567F;
$base-700: #34405B;
$base-800: #252C3C;
$base-900: #181C25;
$base-hover: #121D33;
$base-subtle: #A8B7D7;

{
    "color": {
        "base": {
            "value": "#16233F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E0E7F5",
                "type": "color"
            },
            "200": {
                "value": "#C3CFEA",
                "type": "color"
            },
            "300": {
                "value": "#99ACD7",
                "type": "color"
            },
            "400": {
                "value": "#718AC1",
                "type": "color"
            },
            "500": {
                "value": "#506BA5",
                "type": "color"
            },
            "600": {
                "value": "#43567F",
                "type": "color"
            },
            "700": {
                "value": "#34405B",
                "type": "color"
            },
            "800": {
                "value": "#252C3C",
                "type": "color"
            },
            "900": {
                "value": "#181C25",
                "type": "color"
            }
        }
    }
}