What color is #03381E?

#03381E is a very dark, vivid teal-green. In RGB it is rgb(3, 56, 30), and in HSL hsl(151, 90%, 12%).

Is #03381E accessible as text?

On white, #03381E has a contrast ratio of 13.22:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #03381E, use white for the best readability.

What is the closest Tailwind color to #03381E?

The nearest Tailwind CSS token is green-950 (#032E15).

What colors go well with #03381E?

#03381E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3A031E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03381E below.

Is #03381E good for buttons?

#03381E works well for buttons and highlights, but use white text on #03381E — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #03381E the same as CSS darkslategray?

No — #03381E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#03381E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03381E

Not just a swatch — here's how #03381E works with other colors. Named schemes with #03381E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #03381E Secondary #4A6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Sacramento Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Coastal Morning Lead · 5 colors

Lead #03381E Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Sacramento Green 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 #03381E Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Sacramento Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Luxury Packaging Feature · 5 colors

Feature #03381E Anchor #141210 Accent #BFA74B Secondary #212C25 Surface #F1EDE3

Sacramento Green 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #03381E Secondary #48574D Support #989286 Ink #17140F

Sacramento Green 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 Sacramento Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #03381E 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 44/100

Neutral

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 74/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 71/100

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 33/100

Low

Workable accent with care around contrast.

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03381E

For UI

For branding

For interior

For fashion

People also use #03381E with

Dark Green Bottle Green Oxblood Platinum Hunter Green

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 13.2:1. Use

Subtle surface Use #B5EFD3 for cards and hover fills. Tint 80

Avoid beside #033A32 — 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 #03381E at work across the surfaces designers actually ship.

Website / UI

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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: #03381E;
  --color-base-rgb: 3 56 30;
  --color-base-oklch: oklch(30.1% 0.071 155.7);
  --color-50: #F0FEF8;
  --color-100: #D8FDEB;
  --color-200: #B2FBD7;
  --color-300: #7EF2BA;
  --color-400: #4FE39B;
  --color-500: #2BCA7D;
  --color-600: #299963;
  --color-700: #236C49;
  --color-800: #1B4631;
  --color-900: #122B1F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F0FEF8',
    100: '#D8FDEB',
    200: '#B2FBD7',
    300: '#7EF2BA',
    400: '#4FE39B',
    500: '#2BCA7D',
    600: '#299963',
    700: '#236C49',
    800: '#1B4631',
    900: '#122B1F',
  },
}

$base: #03381E;
$base-ink: #FFFFFF;
$base-50: #F0FEF8;
$base-100: #D8FDEB;
$base-200: #B2FBD7;
$base-300: #7EF2BA;
$base-400: #4FE39B;
$base-500: #2BCA7D;
$base-600: #299963;
$base-700: #236C49;
$base-800: #1B4631;
$base-900: #122B1F;
$base-hover: #022F19;
$base-subtle: #8EEABD;

{
    "color": {
        "base": {
            "value": "#03381E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF8",
                "type": "color"
            },
            "100": {
                "value": "#D8FDEB",
                "type": "color"
            },
            "200": {
                "value": "#B2FBD7",
                "type": "color"
            },
            "300": {
                "value": "#7EF2BA",
                "type": "color"
            },
            "400": {
                "value": "#4FE39B",
                "type": "color"
            },
            "500": {
                "value": "#2BCA7D",
                "type": "color"
            },
            "600": {
                "value": "#299963",
                "type": "color"
            },
            "700": {
                "value": "#236C49",
                "type": "color"
            },
            "800": {
                "value": "#1B4631",
                "type": "color"
            },
            "900": {
                "value": "#122B1F",
                "type": "color"
            }
        }
    }
}

Palettes built on #03381E

Color Lab

Pairs with #03381E

UI roles & guardrails

In real applications

Scales

Every model

Export