What color is #383E39?

#383E39 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(56, 62, 57), and in HSL hsl(130, 5%, 23%).

Is #383E39 accessible as text?

On white, #383E39 has a contrast ratio of 10.96:1 (passes WCAG AA for body text); on black it is 1.92:1 (fails). For text placed on #383E39, use white for the best readability.

What is the closest Tailwind color to #383E39?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #383E39?

As a neutral, #383E39 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #383E39 the same as CSS darkslategray?

No — #383E39 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.

#383E39 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #383E39

Not just a swatch — here's how #383E39 works with other colors. Named schemes with #383E39 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #383E39 Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Onyx leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #383E39 Surface #13161A Highlight #F4F6F8 Secondary #586770 Accent #595E5A

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

Vintage Leather Lead · 5 colors

Lead #383E39 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

Onyx 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 #383E39 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Onyx 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #383E39 Secondary #616361 Support #989286 Ink #17140F

Onyx 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 Onyx carrying the quiet middle.

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Color Lab

How #383E39 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 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

Moderate

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

Naturalness 25/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 32/100

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 5/100

Very low

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

UI accent fit 30/100

Low

Workable accent with care around contrast.

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #383E39

For UI

For branding

For interior

For fashion

People also use #383E39 with

Iron Gray Onyx Platinum Outer Space

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 11.0:1. Use

Subtle surface Use #D6D9D7 for cards and hover fills. Tint 80

Avoid beside #383E3B — 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 #383E39 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: #383E39;
  --color-base-rgb: 56 62 57;
  --color-base-oklch: oklch(35.6% 0.012 150.4);
  --color-50: #F7F8F7;
  --color-100: #EAECEA;
  --color-200: #D4D8D5;
  --color-300: #B4BBB5;
  --color-400: #959D96;
  --color-500: #767F77;
  --color-600: #5D655E;
  --color-700: #454A45;
  --color-800: #2F322F;
  --color-900: #1D201E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F8F7',
    100: '#EAECEA',
    200: '#D4D8D5',
    300: '#B4BBB5',
    400: '#959D96',
    500: '#767F77',
    600: '#5D655E',
    700: '#454A45',
    800: '#2F322F',
    900: '#1D201E',
  },
}

$base: #383E39;
$base-ink: #FFFFFF;
$base-50: #F7F8F7;
$base-100: #EAECEA;
$base-200: #D4D8D5;
$base-300: #B4BBB5;
$base-400: #959D96;
$base-500: #767F77;
$base-600: #5D655E;
$base-700: #454A45;
$base-800: #2F322F;
$base-900: #1D201E;
$base-hover: #2D312D;
$base-subtle: #C2C6C3;

{
    "color": {
        "base": {
            "value": "#383E39",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F8F7",
                "type": "color"
            },
            "100": {
                "value": "#EAECEA",
                "type": "color"
            },
            "200": {
                "value": "#D4D8D5",
                "type": "color"
            },
            "300": {
                "value": "#B4BBB5",
                "type": "color"
            },
            "400": {
                "value": "#959D96",
                "type": "color"
            },
            "500": {
                "value": "#767F77",
                "type": "color"
            },
            "600": {
                "value": "#5D655E",
                "type": "color"
            },
            "700": {
                "value": "#454A45",
                "type": "color"
            },
            "800": {
                "value": "#2F322F",
                "type": "color"
            },
            "900": {
                "value": "#1D201E",
                "type": "color"
            }
        }
    }
}