What color is #0A2C2E?

#0A2C2E is a very dark cyan. In RGB it is rgb(10, 44, 46), and in HSL hsl(183, 64%, 11%).

Is #0A2C2E accessible as text?

On white, #0A2C2E has a contrast ratio of 14.87:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #0A2C2E, use white for the best readability.

What is the closest Tailwind color to #0A2C2E?

The nearest Tailwind CSS token is teal-950 (#022F2E).

What colors go well with #0A2C2E?

#0A2C2E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2E0C0A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A2C2E below.

Is #0A2C2E good for buttons?

#0A2C2E works well for buttons and highlights, but use white text on #0A2C2E — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #0A2C2E the same as CSS darkslategray?

No — #0A2C2E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#0A2C2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A2C2E

Not just a swatch — here's how #0A2C2E works with other colors. Named schemes with #0A2C2E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0A2C2E Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #0A2C2E Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Sacramento Green 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 #0A2C2E Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #2E4B4C

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

Vintage Leather Lead · 5 colors

Lead #0A2C2E Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #0A2C2E Secondary #424D4D Support #979286 Ink #16140F

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 #0A2C2E 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 40/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

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 20/100

Low

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

Surface fit 56/100

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 #0A2C2E

For UI

For branding

For interior

For fashion

People also use #0A2C2E with

Castleton Green Graphite Platinum Dark Slate Gray

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 14.9:1. Use

Subtle surface Use #BDE4E7 for cards and hover fills. Tint 80

Avoid beside #0A202E — 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 #0A2C2E 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: #0A2C2E;
  --color-base-rgb: 10 44 46;
  --color-base-oklch: oklch(27.0% 0.038 200.7);
  --color-50: #F2FCFD;
  --color-100: #DDF7F8;
  --color-200: #BCEEF0;
  --color-300: #8EDDE1;
  --color-400: #64C9CE;
  --color-500: #42ADB3;
  --color-600: #398589;
  --color-700: #2E5F61;
  --color-800: #213E40;
  --color-900: #162627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F2FCFD',
    100: '#DDF7F8',
    200: '#BCEEF0',
    300: '#8EDDE1',
    400: '#64C9CE',
    500: '#42ADB3',
    600: '#398589',
    700: '#2E5F61',
    800: '#213E40',
    900: '#162627',
  },
}

$base: #0A2C2E;
$base-ink: #FFFFFF;
$base-50: #F2FCFD;
$base-100: #DDF7F8;
$base-200: #BCEEF0;
$base-300: #8EDDE1;
$base-400: #64C9CE;
$base-500: #42ADB3;
$base-600: #398589;
$base-700: #2E5F61;
$base-800: #213E40;
$base-900: #162627;
$base-hover: #082325;
$base-subtle: #9AD9DC;

{
    "color": {
        "base": {
            "value": "#0A2C2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF7F8",
                "type": "color"
            },
            "200": {
                "value": "#BCEEF0",
                "type": "color"
            },
            "300": {
                "value": "#8EDDE1",
                "type": "color"
            },
            "400": {
                "value": "#64C9CE",
                "type": "color"
            },
            "500": {
                "value": "#42ADB3",
                "type": "color"
            },
            "600": {
                "value": "#398589",
                "type": "color"
            },
            "700": {
                "value": "#2E5F61",
                "type": "color"
            },
            "800": {
                "value": "#213E40",
                "type": "color"
            },
            "900": {
                "value": "#162627",
                "type": "color"
            }
        }
    }
}