What color is #001031?

#001031 is a very dark, vivid blue. In RGB it is rgb(0, 16, 49), and in HSL hsl(220, 100%, 10%).

Is #001031 accessible as text?

On white, #001031 has a contrast ratio of 18.78:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #001031, use white for the best readability.

What is the closest Tailwind color to #001031?

The nearest Tailwind CSS token is mauve-900 (#1D161E).

What colors go well with #001031?

#001031 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #332200. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #001031 below.

Is #001031 good for buttons?

#001031 works well for buttons and highlights, but use white text on #001031 — black text only reaches 1.12:1, below the 4.5:1 needed for normal-size labels.

Is #001031 the same as CSS midnightblue?

No — #001031 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#001031 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #001031

Not just a swatch — here's how #001031 works with other colors. Named schemes with #001031 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #001031 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Graphite 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 #001031 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Graphite 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 #001031 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #1A2F4F

Graphite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Graphite.

Vintage Leather Lead · 5 colors

Lead #001031 Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Graphite 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 #001031 Secondary #2C3441 Support #9D8F89 Ink #16140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #001031 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 32/100

Cool

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

Softness 19/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

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 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 81/100

Very high

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

Brand distinctiveness 27/100

Low

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

UI accent fit 10/100

Very low

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

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #001031

For UI

For branding

For interior

For fashion

People also use #001031 with

Dark Slate Gray Jet Black Graphite 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 18.8:1. Use

Subtle surface Use #B0C6F2 for cards and hover fills. Tint 80

Avoid beside #000033 — 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 #001031 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: #001031;
  --color-base-rgb: 0 16 49;
  --color-base-oklch: oklch(18.4% 0.071 258.9);
  --color-50: #F0F5FE;
  --color-100: #D8E4FD;
  --color-200: #B1CAFC;
  --color-300: #77A2F8;
  --color-400: #467DEC;
  --color-500: #225DD2;
  --color-600: #234C9F;
  --color-700: #1F3A70;
  --color-800: #182848;
  --color-900: #111A2C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F0F5FE',
    100: '#D8E4FD',
    200: '#B1CAFC',
    300: '#77A2F8',
    400: '#467DEC',
    500: '#225DD2',
    600: '#234C9F',
    700: '#1F3A70',
    800: '#182848',
    900: '#111A2C',
  },
}

$base: #001031;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E4FD;
$base-200: #B1CAFC;
$base-300: #77A2F8;
$base-400: #467DEC;
$base-500: #225DD2;
$base-600: #234C9F;
$base-700: #1F3A70;
$base-800: #182848;
$base-900: #111A2C;
$base-hover: #000E29;
$base-subtle: #86A9EE;

{
    "color": {
        "base": {
            "value": "#001031",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E4FD",
                "type": "color"
            },
            "200": {
                "value": "#B1CAFC",
                "type": "color"
            },
            "300": {
                "value": "#77A2F8",
                "type": "color"
            },
            "400": {
                "value": "#467DEC",
                "type": "color"
            },
            "500": {
                "value": "#225DD2",
                "type": "color"
            },
            "600": {
                "value": "#234C9F",
                "type": "color"
            },
            "700": {
                "value": "#1F3A70",
                "type": "color"
            },
            "800": {
                "value": "#182848",
                "type": "color"
            },
            "900": {
                "value": "#111A2C",
                "type": "color"
            }
        }
    }
}

Palettes built on #001031

Color Lab

Pairs with #001031

UI roles & guardrails

In real applications

Scales

Every model

Export