What color is #12166E?

#12166E is a dark, vivid blue. In RGB it is rgb(18, 22, 110), and in HSL hsl(237, 72%, 25%).

Is #12166E accessible as text?

On white, #12166E has a contrast ratio of 15.38:1 (passes WCAG AA for body text); on black it is 1.37:1 (fails). For text placed on #12166E, use white for the best readability.

What is the closest Tailwind color to #12166E?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #12166E?

#12166E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6E6912. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #12166E below.

Is #12166E good for buttons?

#12166E works well for buttons and highlights, but use white text on #12166E — black text only reaches 1.37:1, below the 4.5:1 needed for normal-size labels.

Is #12166E the same as CSS midnightblue?

No — #12166E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#12166E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #12166E

Not just a swatch — here's how #12166E works with other colors. Named schemes with #12166E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #12166E Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Midnight Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #12166E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #0F0034

Midnight Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Midnight Blue.

Coastal Morning Lead · 5 colors

Lead #12166E Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #12166E Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Midnight 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 #F8F4EF Accent #12166E Secondary #414B69 Support #9D8F88 Ink #18140F

Midnight 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 Midnight Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #12166E 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 17/100

Cool

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

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 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 56/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 23/100

Low

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

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #12166E

For UI

For branding

For interior

For fashion

People also use #12166E with

Lapis Lazuli Indigo Dark Olive Green Gainsboro Prussian Blue

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 15.4:1. Use

Subtle surface Use #C5C7ED for cards and hover fills. Tint 80

Avoid beside #2C126E — 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 #12166E 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: #12166E;
  --color-base-rgb: 18 22 110;
  --color-base-oklch: oklch(27.7% 0.146 270.1);
  --color-50: #F1F2FD;
  --color-100: #DBDDFA;
  --color-200: #B9BCF3;
  --color-300: #898EE6;
  --color-400: #5D63D5;
  --color-500: #3B41BA;
  --color-600: #34398E;
  --color-700: #2A2D64;
  --color-800: #1F2142;
  --color-900: #151628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F1F2FD',
    100: '#DBDDFA',
    200: '#B9BCF3',
    300: '#898EE6',
    400: '#5D63D5',
    500: '#3B41BA',
    600: '#34398E',
    700: '#2A2D64',
    800: '#1F2142',
    900: '#151628',
  },
}

$base: #12166E;
$base-ink: #FFFFFF;
$base-50: #F1F2FD;
$base-100: #DBDDFA;
$base-200: #B9BCF3;
$base-300: #898EE6;
$base-400: #5D63D5;
$base-500: #3B41BA;
$base-600: #34398E;
$base-700: #2A2D64;
$base-800: #1F2142;
$base-900: #151628;
$base-hover: #0E1258;
$base-subtle: #A6A9E5;

{
    "color": {
        "base": {
            "value": "#12166E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DBDDFA",
                "type": "color"
            },
            "200": {
                "value": "#B9BCF3",
                "type": "color"
            },
            "300": {
                "value": "#898EE6",
                "type": "color"
            },
            "400": {
                "value": "#5D63D5",
                "type": "color"
            },
            "500": {
                "value": "#3B41BA",
                "type": "color"
            },
            "600": {
                "value": "#34398E",
                "type": "color"
            },
            "700": {
                "value": "#2A2D64",
                "type": "color"
            },
            "800": {
                "value": "#1F2142",
                "type": "color"
            },
            "900": {
                "value": "#151628",
                "type": "color"
            }
        }
    }
}

Palettes built on #12166E

Color Lab

Pairs with #12166E

UI roles & guardrails

In real applications

Scales

Every model

Export