What color is #16283F?

#16283F is a very dark blue. In RGB it is rgb(22, 40, 63), and in HSL hsl(214, 48%, 17%).

Is #16283F accessible as text?

On white, #16283F has a contrast ratio of 14.90:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #16283F, use white for the best readability.

What is the closest Tailwind color to #16283F?

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

What colors go well with #16283F?

#16283F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #402E17. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #16283F below.

Is #16283F good for buttons?

#16283F works well for buttons and highlights, but use white text on #16283F — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #16283F the same as CSS midnightblue?

No — #16283F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#16283F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #16283F

Not just a swatch — here's how #16283F works with other colors. Named schemes with #16283F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #16283F Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Prussian 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 #16283F Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Prussian 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 #16283F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #36475E

Prussian 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 Prussian Blue.

Vintage Leather Lead · 5 colors

Lead #16283F Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

Prussian 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #16283F Secondary #454C55 Support #9D8F89 Ink #16140F

Prussian 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #16283F 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 37/100

Cool

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 23/100

Low

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

Surface fit 52/100

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 #16283F

For UI

For branding

For interior

For fashion

People also use #16283F with

Dark Slate Gray Russian Violet Bistre 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 14.9:1. Use

Subtle surface Use #C6D3E3 for cards and hover fills. Tint 80

Avoid beside #171B40 — 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 #16283F 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: #16283F;
  --color-base-rgb: 22 40 63;
  --color-base-oklch: oklch(27.4% 0.049 255.2);
  --color-50: #F3F7FB;
  --color-100: #E0E9F5;
  --color-200: #C3D4EA;
  --color-300: #99B3D7;
  --color-400: #7194C1;
  --color-500: #5075A5;
  --color-600: #435D7F;
  --color-700: #34455B;
  --color-800: #252F3C;
  --color-900: #181E25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F3F7FB',
    100: '#E0E9F5',
    200: '#C3D4EA',
    300: '#99B3D7',
    400: '#7194C1',
    500: '#5075A5',
    600: '#435D7F',
    700: '#34455B',
    800: '#252F3C',
    900: '#181E25',
  },
}

$base: #16283F;
$base-ink: #FFFFFF;
$base-50: #F3F7FB;
$base-100: #E0E9F5;
$base-200: #C3D4EA;
$base-300: #99B3D7;
$base-400: #7194C1;
$base-500: #5075A5;
$base-600: #435D7F;
$base-700: #34455B;
$base-800: #252F3C;
$base-900: #181E25;
$base-hover: #122033;
$base-subtle: #A8BCD7;

{
    "color": {
        "base": {
            "value": "#16283F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E0E9F5",
                "type": "color"
            },
            "200": {
                "value": "#C3D4EA",
                "type": "color"
            },
            "300": {
                "value": "#99B3D7",
                "type": "color"
            },
            "400": {
                "value": "#7194C1",
                "type": "color"
            },
            "500": {
                "value": "#5075A5",
                "type": "color"
            },
            "600": {
                "value": "#435D7F",
                "type": "color"
            },
            "700": {
                "value": "#34455B",
                "type": "color"
            },
            "800": {
                "value": "#252F3C",
                "type": "color"
            },
            "900": {
                "value": "#181E25",
                "type": "color"
            }
        }
    }
}