What color is #031C28?

#031C28 is a very dark, vivid cyan-blue. In RGB it is rgb(3, 28, 40), and in HSL hsl(199, 86%, 8%).

Is #031C28 accessible as text?

On white, #031C28 has a contrast ratio of 17.49:1 (passes WCAG AA for body text); on black it is 1.20:1 (fails). For text placed on #031C28, use white for the best readability.

What is the closest Tailwind color to #031C28?

The nearest Tailwind CSS token is mist-900 (#161B1D).

What colors go well with #031C28?

#031C28 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #260E03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #031C28 below.

Is #031C28 good for buttons?

#031C28 works well for buttons and highlights, but use white text on #031C28 — black text only reaches 1.20:1, below the 4.5:1 needed for normal-size labels.

Is #031C28 the same as CSS midnightblue?

No — #031C28 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.

#031C28 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031C28

Not just a swatch — here's how #031C28 works with other colors. Named schemes with #031C28 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #031C28 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #031C28 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 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 #031C28 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #233A45

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 #031C28 Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

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 #031C28 Secondary #353D41 Support #969386 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 #031C28 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 38/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 75/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 12/100

Very low

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

Surface fit 59/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #031C28

For UI

For branding

For interior

For fashion

People also use #031C28 with

Brunswick Green Jet Black Graphite Platinum 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 17.5:1. Use

Subtle surface Use #B3DBED for cards and hover fills. Tint 80

Avoid beside #030F26 — 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 #031C28 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: #031C28;
  --color-base-rgb: 3 28 40;
  --color-base-oklch: oklch(21.4% 0.039 232.2);
  --color-50: #F0FAFE;
  --color-100: #D8F1FD;
  --color-200: #B3E3F9;
  --color-300: #80CCEF;
  --color-400: #52B3E0;
  --color-500: #2F96C6;
  --color-600: #2B7596;
  --color-700: #25546A;
  --color-800: #1C3845;
  --color-900: #13232A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F0FAFE',
    100: '#D8F1FD',
    200: '#B3E3F9',
    300: '#80CCEF',
    400: '#52B3E0',
    500: '#2F96C6',
    600: '#2B7596',
    700: '#25546A',
    800: '#1C3845',
    900: '#13232A',
  },
}

$base: #031C28;
$base-ink: #FFFFFF;
$base-50: #F0FAFE;
$base-100: #D8F1FD;
$base-200: #B3E3F9;
$base-300: #80CCEF;
$base-400: #52B3E0;
$base-500: #2F96C6;
$base-600: #2B7596;
$base-700: #25546A;
$base-800: #1C3845;
$base-900: #13232A;
$base-hover: #02151E;
$base-subtle: #8BC9E7;

{
    "color": {
        "base": {
            "value": "#031C28",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F1FD",
                "type": "color"
            },
            "200": {
                "value": "#B3E3F9",
                "type": "color"
            },
            "300": {
                "value": "#80CCEF",
                "type": "color"
            },
            "400": {
                "value": "#52B3E0",
                "type": "color"
            },
            "500": {
                "value": "#2F96C6",
                "type": "color"
            },
            "600": {
                "value": "#2B7596",
                "type": "color"
            },
            "700": {
                "value": "#25546A",
                "type": "color"
            },
            "800": {
                "value": "#1C3845",
                "type": "color"
            },
            "900": {
                "value": "#13232A",
                "type": "color"
            }
        }
    }
}

Palettes built on #031C28

Color Lab

Pairs with #031C28

UI roles & guardrails

In real applications

Scales

Every model

Export