What color is #999FA3?

#999FA3 is a light low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(153, 159, 163), and in HSL hsl(204, 5%, 62%).

Is #999FA3 accessible as text?

On white, #999FA3 has a contrast ratio of 2.68:1 (fails WCAG AA for body text); on black it is 7.84:1 (passes). For text placed on #999FA3, use black for the best readability.

What is the closest Tailwind color to #999FA3?

The nearest Tailwind CSS token is zinc-400 (#9F9FA9).

What colors go well with #999FA3?

As a neutral, #999FA3 pairs cleanly with charcoal, near-black and dark grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a muted neutral, divider, icon or disabled-state color and let the accent carry the color.

Is #999FA3 the same as CSS darkgray?

No — #999FA3 is not the CSS named color darkgray, but darkgray (#A9A9A9) is the closest CSS named color.

#999FA3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #999FA3

Not just a swatch — here's how #999FA3 works with other colors. Named schemes with #999FA3 in its natural role, and a note on why the supporting colors balance it.

Japanese Sand Base · 5 colors

Base #999FA3 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2723

Cadet Grey 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.

Coastal Morning Lead · 5 colors

Lead #999FA3 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Cadet Grey opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #999FA3 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #BFC5C8

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

Nordic Calm Accent · 5 colors

Accent #999FA3 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Cadet Grey keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #999FA3 Secondary #C8CACC Support #969386 Ink #16140F

Cadet Grey 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 Cadet Grey carrying the quiet middle.

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Color Lab

How #999FA3 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 47/100

Neutral

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

Softness 71/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 28/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 33/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 3/100

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 69/100

High

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

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #999FA3

For UI

For branding

For interior

For fashion

People also use #999FA3 with

Ash Gray Cadet Grey Dark Gray Platinum Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.9:1. Use

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

Avoid beside #999CA3 — 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 #999FA3 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: #999FA3;
  --color-base-rgb: 153 159 163;
  --color-base-oklch: oklch(69.9% 0.009 236.6);
  --color-50: #F7F7F8;
  --color-100: #EAEBEC;
  --color-200: #D4D7D8;
  --color-300: #B4B8BB;
  --color-400: #959A9D;
  --color-500: #767B7F;
  --color-600: #5D6265;
  --color-700: #45484A;
  --color-800: #2F3132;
  --color-900: #1D1F20;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cadet-grey: {
    50: '#F7F7F8',
    100: '#EAEBEC',
    200: '#D4D7D8',
    300: '#B4B8BB',
    400: '#959A9D',
    500: '#767B7F',
    600: '#5D6265',
    700: '#45484A',
    800: '#2F3132',
    900: '#1D1F20',
  },
}

$base: #999FA3;
$base-ink: #141310;
$base-50: #F7F7F8;
$base-100: #EAEBEC;
$base-200: #D4D7D8;
$base-300: #B4B8BB;
$base-400: #959A9D;
$base-500: #767B7F;
$base-600: #5D6265;
$base-700: #45484A;
$base-800: #2F3132;
$base-900: #1D1F20;
$base-hover: #788085;
$base-subtle: #E1E2E3;

{
    "color": {
        "base": {
            "value": "#999FA3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#EAEBEC",
                "type": "color"
            },
            "200": {
                "value": "#D4D7D8",
                "type": "color"
            },
            "300": {
                "value": "#B4B8BB",
                "type": "color"
            },
            "400": {
                "value": "#959A9D",
                "type": "color"
            },
            "500": {
                "value": "#767B7F",
                "type": "color"
            },
            "600": {
                "value": "#5D6265",
                "type": "color"
            },
            "700": {
                "value": "#45484A",
                "type": "color"
            },
            "800": {
                "value": "#2F3132",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}