What color is #151E61?

#151E61 is a dark blue. In RGB it is rgb(21, 30, 97), and in HSL hsl(233, 64%, 23%).

Is #151E61 accessible as text?

On white, #151E61 has a contrast ratio of 15.11:1 (passes WCAG AA for body text); on black it is 1.39:1 (fails). For text placed on #151E61, use white for the best readability.

What is the closest Tailwind color to #151E61?

The nearest Tailwind CSS token is blue-950 (#162456).

What colors go well with #151E61?

#151E61 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #605715. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #151E61 below.

Is #151E61 good for buttons?

#151E61 works well for buttons and highlights, but use white text on #151E61 — black text only reaches 1.39:1, below the 4.5:1 needed for normal-size labels.

Is #151E61 the same as CSS midnightblue?

No — #151E61 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#151E61 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #151E61

Not just a swatch — here's how #151E61 works with other colors. Named schemes with #151E61 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #151E61 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 #151E61 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #0E022D

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 #151E61 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 #151E61 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 #151E61 Secondary #444C64 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 #151E61 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 23/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

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

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #151E61

For UI

For branding

For interior

For fashion

People also use #151E61 with

Lapis Lazuli 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 15.1:1. Use

Subtle surface Use #C6CAEA for cards and hover fills. Tint 80

Avoid beside #251560 — 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 #151E61 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: #151E61;
  --color-base-rgb: 21 30 97;
  --color-base-oklch: oklch(27.8% 0.118 270.5);
  --color-50: #F2F3FD;
  --color-100: #DDE0F8;
  --color-200: #BCC2F0;
  --color-300: #8E98E1;
  --color-400: #6470CE;
  --color-500: #424FB3;
  --color-600: #394289;
  --color-700: #2E3461;
  --color-800: #212540;
  --color-900: #161827;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F2F3FD',
    100: '#DDE0F8',
    200: '#BCC2F0',
    300: '#8E98E1',
    400: '#6470CE',
    500: '#424FB3',
    600: '#394289',
    700: '#2E3461',
    800: '#212540',
    900: '#161827',
  },
}

$base: #151E61;
$base-ink: #FFFFFF;
$base-50: #F2F3FD;
$base-100: #DDE0F8;
$base-200: #BCC2F0;
$base-300: #8E98E1;
$base-400: #6470CE;
$base-500: #424FB3;
$base-600: #394289;
$base-700: #2E3461;
$base-800: #212540;
$base-900: #161827;
$base-hover: #11184D;
$base-subtle: #A7AEE1;

{
    "color": {
        "base": {
            "value": "#151E61",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE0F8",
                "type": "color"
            },
            "200": {
                "value": "#BCC2F0",
                "type": "color"
            },
            "300": {
                "value": "#8E98E1",
                "type": "color"
            },
            "400": {
                "value": "#6470CE",
                "type": "color"
            },
            "500": {
                "value": "#424FB3",
                "type": "color"
            },
            "600": {
                "value": "#394289",
                "type": "color"
            },
            "700": {
                "value": "#2E3461",
                "type": "color"
            },
            "800": {
                "value": "#212540",
                "type": "color"
            },
            "900": {
                "value": "#161827",
                "type": "color"
            }
        }
    }
}

Palettes built on #151E61

Color Lab

Pairs with #151E61

UI roles & guardrails

In real applications

Scales

Every model

Export