What color is #152528?

#152528 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(21, 37, 40), and in HSL hsl(189, 31%, 12%).

Is #152528 accessible as text?

On white, #152528 has a contrast ratio of 15.82:1 (passes WCAG AA for body text); on black it is 1.33:1 (fails). For text placed on #152528, use white for the best readability.

What is the closest Tailwind color to #152528?

The nearest Tailwind CSS token is neutral-800 (#262626).

What colors go well with #152528?

As a neutral, #152528 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 #152528 the same as CSS midnightblue?

No — #152528 is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#152528 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #152528

Not just a swatch — here's how #152528 works with other colors. Named schemes with #152528 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #152528 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Graphite 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 #152528 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Graphite 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 #152528 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #344346

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

Vintage Leather Lead · 5 colors

Lead #152528 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Graphite 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 #152528 Secondary #414748 Support #979286 Ink #16140F

Graphite 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 Graphite carrying the quiet middle.

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Color Lab

How #152528 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 44/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

High

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 71/100

High

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

Brand distinctiveness 9/100

Very low

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

UI accent fit 15/100

Very low

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

Surface fit 62/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #152528

For UI

For branding

For interior

For fashion

People also use #152528 with

Brunswick 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 15.8:1. Use

Subtle surface Use #C8D9DC for cards and hover fills. Tint 80

Avoid beside #151F28 — 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 #152528 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: #152528;
  --color-base-rgb: 21 37 40;
  --color-base-oklch: oklch(25.2% 0.022 210.6);
  --color-50: #F5F9FA;
  --color-100: #E4EFF1;
  --color-200: #CADFE3;
  --color-300: #A4C6CC;
  --color-400: #7FABB3;
  --color-500: #5F8E96;
  --color-600: #4E6E74;
  --color-700: #3B5054;
  --color-800: #293638;
  --color-900: #1A2223;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F5F9FA',
    100: '#E4EFF1',
    200: '#CADFE3',
    300: '#A4C6CC',
    400: '#7FABB3',
    500: '#5F8E96',
    600: '#4E6E74',
    700: '#3B5054',
    800: '#293638',
    900: '#1A2223',
  },
}

$base: #152528;
$base-ink: #FFFFFF;
$base-50: #F5F9FA;
$base-100: #E4EFF1;
$base-200: #CADFE3;
$base-300: #A4C6CC;
$base-400: #7FABB3;
$base-500: #5F8E96;
$base-600: #4E6E74;
$base-700: #3B5054;
$base-800: #293638;
$base-900: #1A2223;
$base-hover: #111E20;
$base-subtle: #ACC7CC;

{
    "color": {
        "base": {
            "value": "#152528",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E4EFF1",
                "type": "color"
            },
            "200": {
                "value": "#CADFE3",
                "type": "color"
            },
            "300": {
                "value": "#A4C6CC",
                "type": "color"
            },
            "400": {
                "value": "#7FABB3",
                "type": "color"
            },
            "500": {
                "value": "#5F8E96",
                "type": "color"
            },
            "600": {
                "value": "#4E6E74",
                "type": "color"
            },
            "700": {
                "value": "#3B5054",
                "type": "color"
            },
            "800": {
                "value": "#293638",
                "type": "color"
            },
            "900": {
                "value": "#1A2223",
                "type": "color"
            }
        }
    }
}

Palettes built on #152528

Color Lab

Pairs with #152528

UI roles & guardrails

In real applications

Scales

Every model

Export