What color is #012803?

#012803 is a very dark, vivid green. In RGB it is rgb(1, 40, 3), and in HSL hsl(123, 95%, 8%).

Is #012803 accessible as text?

On white, #012803 has a contrast ratio of 16.08:1 (passes WCAG AA for body text); on black it is 1.31:1 (fails). For text placed on #012803, use white for the best readability.

What is the closest Tailwind color to #012803?

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

What colors go well with #012803?

#012803 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #280126. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #012803 below.

Is #012803 good for buttons?

#012803 works well for buttons and highlights, but use white text on #012803 — black text only reaches 1.31:1, below the 4.5:1 needed for normal-size labels.

Is #012803 the same as CSS darkslategray?

No — #012803 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.

#012803 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #012803

Not just a swatch — here's how #012803 works with other colors. Named schemes with #012803 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #012803 Secondary #4C6B3B Accent #AD6B00 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.

Vintage Leather Lead · 5 colors

Lead #012803 Secondary #754E1B Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

Sacramento Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Japanese Sand Base · 5 colors

Base #012803 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Sacramento Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #012803 Anchor #141210 Accent #C1A64B Secondary #232C23 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 #012803 Secondary #3A463A 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 #012803 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 49/100

Neutral

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

High

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

Naturalness 96/100

Very high

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

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 77/100

High

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

Brand distinctiveness 30/100

Low

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

UI accent fit 20/100

Very low

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

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #012803

For UI

For branding

For interior

For fashion

People also use #012803 with

Army Green Graphite Deep Purple 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 16.1:1. Use

Subtle surface Use #B0F0B3 for cards and hover fills. Tint 80

Avoid beside #012810 — 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 #012803 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: #012803;
  --color-base-rgb: 1 40 3;
  --color-base-oklch: oklch(24.1% 0.077 143.7);
  --color-50: #F0FEF1;
  --color-100: #D8FDDA;
  --color-200: #B1FCB4;
  --color-300: #7AF580;
  --color-400: #4AE852;
  --color-500: #27CE2F;
  --color-600: #269C2C;
  --color-700: #216E25;
  --color-800: #1A471C;
  --color-900: #122B13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F0FEF1',
    100: '#D8FDDA',
    200: '#B1FCB4',
    300: '#7AF580',
    400: '#4AE852',
    500: '#27CE2F',
    600: '#269C2C',
    700: '#216E25',
    800: '#1A471C',
    900: '#122B13',
  },
}

$base: #012803;
$base-ink: #FFFFFF;
$base-50: #F0FEF1;
$base-100: #D8FDDA;
$base-200: #B1FCB4;
$base-300: #7AF580;
$base-400: #4AE852;
$base-500: #27CE2F;
$base-600: #269C2C;
$base-700: #216E25;
$base-800: #1A471C;
$base-900: #122B13;
$base-hover: #012002;
$base-subtle: #86EB8B;

{
    "color": {
        "base": {
            "value": "#012803",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF1",
                "type": "color"
            },
            "100": {
                "value": "#D8FDDA",
                "type": "color"
            },
            "200": {
                "value": "#B1FCB4",
                "type": "color"
            },
            "300": {
                "value": "#7AF580",
                "type": "color"
            },
            "400": {
                "value": "#4AE852",
                "type": "color"
            },
            "500": {
                "value": "#27CE2F",
                "type": "color"
            },
            "600": {
                "value": "#269C2C",
                "type": "color"
            },
            "700": {
                "value": "#216E25",
                "type": "color"
            },
            "800": {
                "value": "#1A471C",
                "type": "color"
            },
            "900": {
                "value": "#122B13",
                "type": "color"
            }
        }
    }
}