What color is #031F2C?

#031F2C is a very dark, vivid cyan-blue. In RGB it is rgb(3, 31, 44), and in HSL hsl(199, 87%, 9%).

Is #031F2C accessible as text?

On white, #031F2C has a contrast ratio of 16.99:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #031F2C, use white for the best readability.

What is the closest Tailwind color to #031F2C?

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

What colors go well with #031F2C?

#031F2C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2B1003. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #031F2C below.

Is #031F2C good for buttons?

#031F2C works well for buttons and highlights, but use white text on #031F2C — black text only reaches 1.24:1, below the 4.5:1 needed for normal-size labels.

Is #031F2C the same as CSS midnightblue?

No — #031F2C 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.

#031F2C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031F2C

Not just a swatch — here's how #031F2C works with other colors. Named schemes with #031F2C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #031F2C 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 #031F2C 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 #031F2C Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #243D4A

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 #031F2C 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 #031F2C Secondary #374045 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 #031F2C 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

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 75/100

High

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

Brand distinctiveness 16/100

Very low

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

UI accent fit 14/100

Very low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #031F2C

For UI

For branding

For interior

For fashion

People also use #031F2C 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 17.0:1. Use

Subtle surface Use #B4DBEE for cards and hover fills. Tint 80

Avoid beside #03112B — 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 #031F2C 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: #031F2C;
  --color-base-rgb: 3 31 44;
  --color-base-oklch: oklch(22.6% 0.042 232.1);
  --color-50: #F0FAFE;
  --color-100: #D8F1FD;
  --color-200: #B3E3FA;
  --color-300: #7FCCF0;
  --color-400: #51B3E1;
  --color-500: #2E96C7;
  --color-600: #2B7597;
  --color-700: #24546B;
  --color-800: #1C3845;
  --color-900: #13232A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F0FAFE',
    100: '#D8F1FD',
    200: '#B3E3FA',
    300: '#7FCCF0',
    400: '#51B3E1',
    500: '#2E96C7',
    600: '#2B7597',
    700: '#24546B',
    800: '#1C3845',
    900: '#13232A',
  },
}

$base: #031F2C;
$base-ink: #FFFFFF;
$base-50: #F0FAFE;
$base-100: #D8F1FD;
$base-200: #B3E3FA;
$base-300: #7FCCF0;
$base-400: #51B3E1;
$base-500: #2E96C7;
$base-600: #2B7597;
$base-700: #24546B;
$base-800: #1C3845;
$base-900: #13232A;
$base-hover: #021822;
$base-subtle: #8BCAE7;

{
    "color": {
        "base": {
            "value": "#031F2C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F1FD",
                "type": "color"
            },
            "200": {
                "value": "#B3E3FA",
                "type": "color"
            },
            "300": {
                "value": "#7FCCF0",
                "type": "color"
            },
            "400": {
                "value": "#51B3E1",
                "type": "color"
            },
            "500": {
                "value": "#2E96C7",
                "type": "color"
            },
            "600": {
                "value": "#2B7597",
                "type": "color"
            },
            "700": {
                "value": "#24546B",
                "type": "color"
            },
            "800": {
                "value": "#1C3845",
                "type": "color"
            },
            "900": {
                "value": "#13232A",
                "type": "color"
            }
        }
    }
}

Palettes built on #031F2C

Color Lab

Pairs with #031F2C

UI roles & guardrails

In real applications

Scales

Every model

Export