What color is #091237?

#091237 is a very dark, vivid blue. In RGB it is rgb(9, 18, 55), and in HSL hsl(228, 72%, 13%).

Is #091237 accessible as text?

On white, #091237 has a contrast ratio of 18.21:1 (passes WCAG AA for body text); on black it is 1.15:1 (fails). For text placed on #091237, use white for the best readability.

What is the closest Tailwind color to #091237?

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

What colors go well with #091237?

#091237 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #392F09. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #091237 below.

Is #091237 good for buttons?

#091237 works well for buttons and highlights, but use white text on #091237 — black text only reaches 1.15:1, below the 4.5:1 needed for normal-size labels.

Is #091237 the same as CSS midnightblue?

No — #091237 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#091237 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #091237

Not just a swatch — here's how #091237 works with other colors. Named schemes with #091237 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #091237 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.

Nordic Calm Accent · 5 colors

Accent #091237 Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 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 #091237 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #253155

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 #091237 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

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 #091237 Secondary #333846 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 #091237 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 33/100

Cool

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

Softness 20/100

Low

Firm and assertive — carries weight and contrast.

Depth 78/100

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 80/100

High

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

Brand distinctiveness 28/100

Low

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

UI accent fit 13/100

Very low

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

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #091237

For UI

For branding

For interior

For fashion

People also use #091237 with

Charcoal Deep Purple Bistre Gainsboro Gunmetal Gray

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 18.2:1. Use

Subtle surface Use #BCC5EA for cards and hover fills. Tint 80

Avoid beside #100939 — 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 #091237 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #091237;
  --color-base-rgb: 9 18 55;
  --color-base-oklch: oklch(20.2% 0.073 268.5);
  --color-50: #F1F4FD;
  --color-100: #DBE1FA;
  --color-200: #B9C5F3;
  --color-300: #899CE6;
  --color-400: #5D75D5;
  --color-500: #3B54BA;
  --color-600: #34468E;
  --color-700: #2A3664;
  --color-800: #1F2642;
  --color-900: #151928;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F1F4FD',
    100: '#DBE1FA',
    200: '#B9C5F3',
    300: '#899CE6',
    400: '#5D75D5',
    500: '#3B54BA',
    600: '#34468E',
    700: '#2A3664',
    800: '#1F2642',
    900: '#151928',
  },
}

$base: #091237;
$base-ink: #FFFFFF;
$base-50: #F1F4FD;
$base-100: #DBE1FA;
$base-200: #B9C5F3;
$base-300: #899CE6;
$base-400: #5D75D5;
$base-500: #3B54BA;
$base-600: #34468E;
$base-700: #2A3664;
$base-800: #1F2642;
$base-900: #151928;
$base-hover: #070F2E;
$base-subtle: #98A7E1;

{
    "color": {
        "base": {
            "value": "#091237",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F4FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE1FA",
                "type": "color"
            },
            "200": {
                "value": "#B9C5F3",
                "type": "color"
            },
            "300": {
                "value": "#899CE6",
                "type": "color"
            },
            "400": {
                "value": "#5D75D5",
                "type": "color"
            },
            "500": {
                "value": "#3B54BA",
                "type": "color"
            },
            "600": {
                "value": "#34468E",
                "type": "color"
            },
            "700": {
                "value": "#2A3664",
                "type": "color"
            },
            "800": {
                "value": "#1F2642",
                "type": "color"
            },
            "900": {
                "value": "#151928",
                "type": "color"
            }
        }
    }
}