What color is #121A4E?

#121A4E is a dark blue. In RGB it is rgb(18, 26, 78), and in HSL hsl(232, 63%, 19%).

Is #121A4E accessible as text?

On white, #121A4E has a contrast ratio of 16.36:1 (passes WCAG AA for body text); on black it is 1.28:1 (fails). For text placed on #121A4E, use white for the best readability.

What is the closest Tailwind color to #121A4E?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #121A4E?

#121A4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F4712. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #121A4E below.

Is #121A4E good for buttons?

#121A4E works well for buttons and highlights, but use white text on #121A4E — black text only reaches 1.28:1, below the 4.5:1 needed for normal-size labels.

Is #121A4E the same as CSS midnightblue?

No — #121A4E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#121A4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #121A4E

Not just a swatch — here's how #121A4E works with other colors. Named schemes with #121A4E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #121A4E Accent #A5C4C2 Surface #EAD5C0 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.

Luxury Packaging Feature · 5 colors

Feature #121A4E Anchor #141210 Accent #DC9659 Secondary #252833 Surface #F3ECE3

Navy 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 #121A4E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #08011F

Navy 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 Navy.

Vintage Leather Lead · 5 colors

Lead #121A4E Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

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 #121A4E Secondary #3E4457 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 #121A4E 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 29/100

Cool

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

Softness 23/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 23/100

Low

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

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #121A4E

For UI

For branding

For interior

For fashion

People also use #121A4E with

Classic Blue Russian Violet Army 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 16.4:1. Use

Subtle surface Use #C3C8E8 for cards and hover fills. Tint 80

Avoid beside #1E124F — 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 #121A4E 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: #121A4E;
  --color-base-rgb: 18 26 78;
  --color-base-oklch: oklch(24.9% 0.096 271.0);
  --color-50: #F2F3FD;
  --color-100: #DDE1F8;
  --color-200: #BDC3F0;
  --color-300: #8F9AE0;
  --color-400: #6573CD;
  --color-500: #4352B2;
  --color-600: #3A4488;
  --color-700: #2E3561;
  --color-800: #212540;
  --color-900: #161827;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F2F3FD',
    100: '#DDE1F8',
    200: '#BDC3F0',
    300: '#8F9AE0',
    400: '#6573CD',
    500: '#4352B2',
    600: '#3A4488',
    700: '#2E3561',
    800: '#212540',
    900: '#161827',
  },
}

$base: #121A4E;
$base-ink: #FFFFFF;
$base-50: #F2F3FD;
$base-100: #DDE1F8;
$base-200: #BDC3F0;
$base-300: #8F9AE0;
$base-400: #6573CD;
$base-500: #4352B2;
$base-600: #3A4488;
$base-700: #2E3561;
$base-800: #212540;
$base-900: #161827;
$base-hover: #0E153F;
$base-subtle: #A3ABDF;

{
    "color": {
        "base": {
            "value": "#121A4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE1F8",
                "type": "color"
            },
            "200": {
                "value": "#BDC3F0",
                "type": "color"
            },
            "300": {
                "value": "#8F9AE0",
                "type": "color"
            },
            "400": {
                "value": "#6573CD",
                "type": "color"
            },
            "500": {
                "value": "#4352B2",
                "type": "color"
            },
            "600": {
                "value": "#3A4488",
                "type": "color"
            },
            "700": {
                "value": "#2E3561",
                "type": "color"
            },
            "800": {
                "value": "#212540",
                "type": "color"
            },
            "900": {
                "value": "#161827",
                "type": "color"
            }
        }
    }
}