What color is #136377?

#136377 is a dark, vivid cyan. In RGB it is rgb(19, 99, 119), and in HSL hsl(192, 72%, 27%).

Is #136377 accessible as text?

On white, #136377 has a contrast ratio of 6.82:1 (passes WCAG AA for body text); on black it is 3.08:1 (fails). For text placed on #136377, use white for the best readability.

What is the closest Tailwind color to #136377?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #136377?

#136377 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #762713. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #136377 below.

Is #136377 good for buttons?

#136377 works well for buttons and highlights, but use white text on #136377 — black text only reaches 3.08:1, below the 4.5:1 needed for normal-size labels.

Is #136377 the same as CSS darkslategray?

No — #136377 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#136377 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #136377

Not just a swatch — here's how #136377 works with other colors. Named schemes with #136377 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #136377 Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E354A

Lapis Lazuli 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 #136377 Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Lapis Lazuli 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 #136377 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #478598

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

Vintage Leather Lead · 5 colors

Lead #136377 Secondary #705116 Surface #E3DCC0 Accent #395244 Anchor #56233E

Lapis Lazuli 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 #136377 Secondary #70868D Support #969386 Ink #16140F

Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #136377 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 27/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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

Brand distinctiveness 21/100

Low

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

UI accent fit 79/100

High

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #136377

For UI

For branding

For interior

For fashion

People also use #136377 with

Shamrock Green Yale Blue Falu Red Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.8:1. Use

Subtle surface Use #C6E5ED for cards and hover fills. Tint 80

Avoid beside #134276 — 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 #136377 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: #136377;
  --color-base-rgb: 19 99 119;
  --color-base-oklch: oklch(46.4% 0.078 219.5);
  --color-50: #F1FBFD;
  --color-100: #DBF4FA;
  --color-200: #B9E8F3;
  --color-300: #89D3E6;
  --color-400: #5DBDD5;
  --color-500: #3BA0BA;
  --color-600: #347C8E;
  --color-700: #2A5964;
  --color-800: #1F3B42;
  --color-900: #152428;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F1FBFD',
    100: '#DBF4FA',
    200: '#B9E8F3',
    300: '#89D3E6',
    400: '#5DBDD5',
    500: '#3BA0BA',
    600: '#347C8E',
    700: '#2A5964',
    800: '#1F3B42',
    900: '#152428',
  },
}

$base: #136377;
$base-ink: #FFFFFF;
$base-50: #F1FBFD;
$base-100: #DBF4FA;
$base-200: #B9E8F3;
$base-300: #89D3E6;
$base-400: #5DBDD5;
$base-500: #3BA0BA;
$base-600: #347C8E;
$base-700: #2A5964;
$base-800: #1F3B42;
$base-900: #152428;
$base-hover: #0F4F5F;
$base-subtle: #A9D9E6;

{
    "color": {
        "base": {
            "value": "#136377",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF4FA",
                "type": "color"
            },
            "200": {
                "value": "#B9E8F3",
                "type": "color"
            },
            "300": {
                "value": "#89D3E6",
                "type": "color"
            },
            "400": {
                "value": "#5DBDD5",
                "type": "color"
            },
            "500": {
                "value": "#3BA0BA",
                "type": "color"
            },
            "600": {
                "value": "#347C8E",
                "type": "color"
            },
            "700": {
                "value": "#2A5964",
                "type": "color"
            },
            "800": {
                "value": "#1F3B42",
                "type": "color"
            },
            "900": {
                "value": "#152428",
                "type": "color"
            }
        }
    }
}

Palettes built on #136377

Color Lab

Pairs with #136377

UI roles & guardrails

In real applications

Scales

Every model

Export