What color is #214C4E?

#214C4E is a dark cyan. In RGB it is rgb(33, 76, 78), and in HSL hsl(183, 41%, 22%).

Is #214C4E accessible as text?

On white, #214C4E has a contrast ratio of 9.51:1 (passes WCAG AA for body text); on black it is 2.21:1 (fails). For text placed on #214C4E, use white for the best readability.

What is the closest Tailwind color to #214C4E?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #214C4E?

#214C4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F2321. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #214C4E below.

Is #214C4E good for buttons?

#214C4E works well for buttons and highlights, but use white text on #214C4E — black text only reaches 2.21:1, below the 4.5:1 needed for normal-size labels.

Is #214C4E the same as CSS darkslategray?

No — #214C4E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#214C4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #214C4E

Not just a swatch — here's how #214C4E works with other colors. Named schemes with #214C4E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #214C4E Accent #A6C4BD Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Slate Gray 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 #214C4E Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #214C4E Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

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

Modern Café Dominant · 5 colors

Dominant #214C4E Anchor #382C1D Surface #EBE4D0 Accent #809D72 Secondary #3A3933

Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #214C4E Secondary #606E6F Support #979286 Ink #16140F

Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #214C4E 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 62/100

High

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #214C4E

For UI

For branding

For interior

For fashion

People also use #214C4E with

Hunter Green Prussian Blue Bistre 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 9.5:1. Use

Subtle surface Use #CBE2E3 for cards and hover fills. Tint 80

Avoid beside #213D4F — 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 #214C4E 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: #214C4E;
  --color-base-rgb: 33 76 78;
  --color-base-oklch: oklch(38.7% 0.048 199.4);
  --color-50: #F4FAFB;
  --color-100: #E2F3F3;
  --color-200: #C6E5E7;
  --color-300: #9DCFD2;
  --color-400: #77B8BB;
  --color-500: #569B9E;
  --color-600: #47787A;
  --color-700: #375658;
  --color-800: #27393A;
  --color-900: #192424;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FAFB',
    100: '#E2F3F3',
    200: '#C6E5E7',
    300: '#9DCFD2',
    400: '#77B8BB',
    500: '#569B9E',
    600: '#47787A',
    700: '#375658',
    800: '#27393A',
    900: '#192424',
  },
}

$base: #214C4E;
$base-ink: #FFFFFF;
$base-50: #F4FAFB;
$base-100: #E2F3F3;
$base-200: #C6E5E7;
$base-300: #9DCFD2;
$base-400: #77B8BB;
$base-500: #569B9E;
$base-600: #47787A;
$base-700: #375658;
$base-800: #27393A;
$base-900: #192424;
$base-hover: #1A3D3F;
$base-subtle: #B1D4D6;

{
    "color": {
        "base": {
            "value": "#214C4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F3",
                "type": "color"
            },
            "200": {
                "value": "#C6E5E7",
                "type": "color"
            },
            "300": {
                "value": "#9DCFD2",
                "type": "color"
            },
            "400": {
                "value": "#77B8BB",
                "type": "color"
            },
            "500": {
                "value": "#569B9E",
                "type": "color"
            },
            "600": {
                "value": "#47787A",
                "type": "color"
            },
            "700": {
                "value": "#375658",
                "type": "color"
            },
            "800": {
                "value": "#27393A",
                "type": "color"
            },
            "900": {
                "value": "#192424",
                "type": "color"
            }
        }
    }
}

Palettes built on #214C4E

Color Lab

Pairs with #214C4E

UI roles & guardrails

In real applications

Scales

Every model

Export