What color is #102528?

#102528 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(16, 37, 40), and in HSL hsl(188, 43%, 11%).

Is #102528 accessible as text?

On white, #102528 has a contrast ratio of 15.94:1 (passes WCAG AA for body text); on black it is 1.32:1 (fails). For text placed on #102528, use white for the best readability.

What is the closest Tailwind color to #102528?

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

What colors go well with #102528?

As a neutral, #102528 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 #102528 the same as CSS midnightblue?

No — #102528 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.

#102528 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #102528

Not just a swatch — here's how #102528 works with other colors. Named schemes with #102528 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #102528 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 #102528 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 #102528 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #304346

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 #102528 Secondary #715117 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 #102528 Secondary #3F4647 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 #102528 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 42/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 71/100

High

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

Brand distinctiveness 11/100

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 60/100

High

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

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #102528

For UI

For branding

For interior

For fashion

People also use #102528 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 15.9:1. Use

Subtle surface Use #C4DCE0 for cards and hover fills. Tint 80

Avoid beside #101D28 — 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 #102528 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: #102528;
  --color-base-rgb: 16 37 40;
  --color-base-oklch: oklch(24.8% 0.027 207.5);
  --color-50: #F4FAFB;
  --color-100: #E1F1F4;
  --color-200: #C5E3E8;
  --color-300: #9CCCD3;
  --color-400: #75B3BD;
  --color-500: #5596A0;
  --color-600: #46757C;
  --color-700: #365459;
  --color-800: #26383B;
  --color-900: #192324;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F4FAFB',
    100: '#E1F1F4',
    200: '#C5E3E8',
    300: '#9CCCD3',
    400: '#75B3BD',
    500: '#5596A0',
    600: '#46757C',
    700: '#365459',
    800: '#26383B',
    900: '#192324',
  },
}

$base: #102528;
$base-ink: #FFFFFF;
$base-50: #F4FAFB;
$base-100: #E1F1F4;
$base-200: #C5E3E8;
$base-300: #9CCCD3;
$base-400: #75B3BD;
$base-500: #5596A0;
$base-600: #46757C;
$base-700: #365459;
$base-800: #26383B;
$base-900: #192324;
$base-hover: #0D1E20;
$base-subtle: #A5CBD1;

{
    "color": {
        "base": {
            "value": "#102528",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F1F4",
                "type": "color"
            },
            "200": {
                "value": "#C5E3E8",
                "type": "color"
            },
            "300": {
                "value": "#9CCCD3",
                "type": "color"
            },
            "400": {
                "value": "#75B3BD",
                "type": "color"
            },
            "500": {
                "value": "#5596A0",
                "type": "color"
            },
            "600": {
                "value": "#46757C",
                "type": "color"
            },
            "700": {
                "value": "#365459",
                "type": "color"
            },
            "800": {
                "value": "#26383B",
                "type": "color"
            },
            "900": {
                "value": "#192324",
                "type": "color"
            }
        }
    }
}

Palettes built on #102528

Color Lab

Pairs with #102528

UI roles & guardrails

In real applications

Scales

Every model

Export