What color is #999FCF?

#999FCF is a light, soft blue-violet. In RGB it is rgb(153, 159, 207), and in HSL hsl(233, 36%, 71%).

Is #999FCF accessible as text?

On white, #999FCF has a contrast ratio of 2.56:1 (fails WCAG AA for body text); on black it is 8.21:1 (passes). For text placed on #999FCF, use black for the best readability.

What is the closest Tailwind color to #999FCF?

The nearest Tailwind CSS token is mauve-400 (#A89EA9).

What colors go well with #999FCF?

#999FCF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D0C99A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #999FCF below.

Is #999FCF good for buttons?

#999FCF works well for buttons and highlights, but use black text on #999FCF — white text only reaches 2.56:1, below the 4.5:1 needed for normal-size labels.

Is #999FCF the same as CSS darkgray?

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

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

Palettes built on #999FCF

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

Nordic Calm Accent · 5 colors

Accent #999FCF Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Japanese Sand Base · 5 colors

Base #999FCF Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Iceberg 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 #999FCF Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #999FCF Secondary #CBCEE0 Support #9D9088 Ink #18140F

Iceberg 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 Iceberg carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #999FCF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #BFC5F2

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

Build a working theme in the generator →

Color Lab

How #999FCF 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 36/100

Cool

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

Softness 63/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 35/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

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

UI accent fit 45/100

Moderate

Workable accent with care around contrast.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #999FCF

For UI

For branding

For interior

For fashion

People also use #999FCF with

Light Blue Wisteria Soft Sage Gainsboro Prussian Blue

UI roles & guardrails

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

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 7.3:1. Use

Subtle surface Use #ECEDF4 for cards and hover fills. Tint 80

Avoid beside #A69AD0 — 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 #999FCF at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #999FCF;
  --color-base-rgb: 153 159 207;
  --color-base-oklch: oklch(71.5% 0.070 278.9);
  --color-50: #F4F5FA;
  --color-100: #E3E5F2;
  --color-200: #C8CBE5;
  --color-300: #A0A6CF;
  --color-400: #7B82B7;
  --color-500: #5B629A;
  --color-600: #4A5077;
  --color-700: #393C56;
  --color-800: #282A39;
  --color-900: #1A1B23;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  iceberg: {
    50: '#F4F5FA',
    100: '#E3E5F2',
    200: '#C8CBE5',
    300: '#A0A6CF',
    400: '#7B82B7',
    500: '#5B629A',
    600: '#4A5077',
    700: '#393C56',
    800: '#282A39',
    900: '#1A1B23',
  },
}

$base: #999FCF;
$base-ink: #141310;
$base-50: #F4F5FA;
$base-100: #E3E5F2;
$base-200: #C8CBE5;
$base-300: #A0A6CF;
$base-400: #7B82B7;
$base-500: #5B629A;
$base-600: #4A5077;
$base-700: #393C56;
$base-800: #282A39;
$base-900: #1A1B23;
$base-hover: #6972B8;
$base-subtle: #E3E4EF;

{
    "color": {
        "base": {
            "value": "#999FCF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E5F2",
                "type": "color"
            },
            "200": {
                "value": "#C8CBE5",
                "type": "color"
            },
            "300": {
                "value": "#A0A6CF",
                "type": "color"
            },
            "400": {
                "value": "#7B82B7",
                "type": "color"
            },
            "500": {
                "value": "#5B629A",
                "type": "color"
            },
            "600": {
                "value": "#4A5077",
                "type": "color"
            },
            "700": {
                "value": "#393C56",
                "type": "color"
            },
            "800": {
                "value": "#282A39",
                "type": "color"
            },
            "900": {
                "value": "#1A1B23",
                "type": "color"
            }
        }
    }
}

Palettes built on #999FCF

Color Lab

Pairs with #999FCF

UI roles & guardrails

In real applications

Scales

Every model

Export