What color is #145B58?

#145B58 is a dark teal. In RGB it is rgb(20, 91, 88), and in HSL hsl(177, 64%, 22%).

Is #145B58 accessible as text?

On white, #145B58 has a contrast ratio of 7.87:1 (passes WCAG AA for body text); on black it is 2.67:1 (fails). For text placed on #145B58, use white for the best readability.

What is the closest Tailwind color to #145B58?

The nearest Tailwind CSS token is teal-800 (#005F5A).

What colors go well with #145B58?

#145B58 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5C1418. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #145B58 below.

Is #145B58 good for buttons?

#145B58 works well for buttons and highlights, but use white text on #145B58 — black text only reaches 2.67:1, below the 4.5:1 needed for normal-size labels.

Is #145B58 the same as CSS darkslategray?

No — #145B58 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#145B58 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #145B58

Not just a swatch — here's how #145B58 works with other colors. Named schemes with #145B58 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #145B58 Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #145B58 Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 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 #145B58 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #145B58 Anchor #382B1E Surface #ECE4D0 Accent #819C71 Secondary #3A3833

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 #145B58 Secondary #687C7A 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.

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Color Lab

How #145B58 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 35/100

Cool

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

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

Naturalness 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

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 67/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 37/100

Low

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #145B58

For UI

For branding

For interior

For fashion

People also use #145B58 with

Fern Green Prussian Blue Rosewood 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 7.9:1. Use

Subtle surface Use #C5EAE8 for cards and hover fills. Tint 80

Avoid beside #14485C — 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 #145B58 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: #145B58;
  --color-base-rgb: 20 91 88;
  --color-base-oklch: oklch(42.9% 0.067 190.7);
  --color-50: #F2FDFC;
  --color-100: #DDF8F7;
  --color-200: #BCF0EE;
  --color-300: #8EE1DD;
  --color-400: #64CEC9;
  --color-500: #42B3AD;
  --color-600: #398985;
  --color-700: #2E615F;
  --color-800: #21403E;
  --color-900: #162726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F2FDFC',
    100: '#DDF8F7',
    200: '#BCF0EE',
    300: '#8EE1DD',
    400: '#64CEC9',
    500: '#42B3AD',
    600: '#398985',
    700: '#2E615F',
    800: '#21403E',
    900: '#162726',
  },
}

$base: #145B58;
$base-ink: #FFFFFF;
$base-50: #F2FDFC;
$base-100: #DDF8F7;
$base-200: #BCF0EE;
$base-300: #8EE1DD;
$base-400: #64CEC9;
$base-500: #42B3AD;
$base-600: #398985;
$base-700: #2E615F;
$base-800: #21403E;
$base-900: #162726;
$base-hover: #104A47;
$base-subtle: #A6E0DD;

{
    "color": {
        "base": {
            "value": "#145B58",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDFC",
                "type": "color"
            },
            "100": {
                "value": "#DDF8F7",
                "type": "color"
            },
            "200": {
                "value": "#BCF0EE",
                "type": "color"
            },
            "300": {
                "value": "#8EE1DD",
                "type": "color"
            },
            "400": {
                "value": "#64CEC9",
                "type": "color"
            },
            "500": {
                "value": "#42B3AD",
                "type": "color"
            },
            "600": {
                "value": "#398985",
                "type": "color"
            },
            "700": {
                "value": "#2E615F",
                "type": "color"
            },
            "800": {
                "value": "#21403E",
                "type": "color"
            },
            "900": {
                "value": "#162726",
                "type": "color"
            }
        }
    }
}

Palettes built on #145B58

Color Lab

Pairs with #145B58

UI roles & guardrails

In real applications

Scales

Every model

Export