What color is #8399CF?

#8399CF is a light, soft blue. In RGB it is rgb(131, 153, 207), and in HSL hsl(223, 44%, 66%).

Is #8399CF accessible as text?

On white, #8399CF has a contrast ratio of 2.83:1 (fails WCAG AA for body text); on black it is 7.42:1 (passes). For text placed on #8399CF, use black for the best readability.

What is the closest Tailwind color to #8399CF?

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

What colors go well with #8399CF?

#8399CF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CEB982. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #8399CF below.

Is #8399CF good for buttons?

#8399CF works well for buttons and highlights, but use black text on #8399CF — white text only reaches 2.83:1, below the 4.5:1 needed for normal-size labels.

Is #8399CF the same as CSS cornflowerblue?

No — #8399CF is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#8399CF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #8399CF

Not just a swatch — here's how #8399CF works with other colors. Named schemes with #8399CF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #8399CF Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #8399CF Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Japanese Sand Base · 5 colors

Base #8399CF Surface #F2E8DD Highlight #F8F0E7 Secondary #BEACA2 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.

Tech Product Signal · 5 colors

Signal #8399CF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #AABFF2

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #8399CF Secondary #BEC6DA Support #9D8F88 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.

Build a working theme in the generator →

Color Lab

How #8399CF 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 30/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 31/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 38/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #8399CF

For UI

For branding

For interior

For fashion

People also use #8399CF with

Light Blue Medium Purple Tan Gainsboro 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 6.6:1. Use

Subtle surface Use #E8EBF3 for cards and hover fills. Tint 80

Avoid beside #8682CE — 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 #8399CF at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #8399CF;
  --color-base-rgb: 131 153 207;
  --color-base-oklch: oklch(68.7% 0.084 267.1);
  --color-50: #F4F6FB;
  --color-100: #E1E6F4;
  --color-200: #C4CEE8;
  --color-300: #9BABD4;
  --color-400: #7589BD;
  --color-500: #546AA1;
  --color-600: #46557C;
  --color-700: #364059;
  --color-800: #262C3B;
  --color-900: #191C25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  iceberg: {
    50: '#F4F6FB',
    100: '#E1E6F4',
    200: '#C4CEE8',
    300: '#9BABD4',
    400: '#7589BD',
    500: '#546AA1',
    600: '#46557C',
    700: '#364059',
    800: '#262C3B',
    900: '#191C25',
  },
}

$base: #8399CF;
$base-ink: #141310;
$base-50: #F4F6FB;
$base-100: #E1E6F4;
$base-200: #C4CEE8;
$base-300: #9BABD4;
$base-400: #7589BD;
$base-500: #546AA1;
$base-600: #46557C;
$base-700: #364059;
$base-800: #262C3B;
$base-900: #191C25;
$base-hover: #5270BC;
$base-subtle: #DCE1EE;

{
    "color": {
        "base": {
            "value": "#8399CF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E6F4",
                "type": "color"
            },
            "200": {
                "value": "#C4CEE8",
                "type": "color"
            },
            "300": {
                "value": "#9BABD4",
                "type": "color"
            },
            "400": {
                "value": "#7589BD",
                "type": "color"
            },
            "500": {
                "value": "#546AA1",
                "type": "color"
            },
            "600": {
                "value": "#46557C",
                "type": "color"
            },
            "700": {
                "value": "#364059",
                "type": "color"
            },
            "800": {
                "value": "#262C3B",
                "type": "color"
            },
            "900": {
                "value": "#191C25",
                "type": "color"
            }
        }
    }
}

Palettes built on #8399CF

Color Lab

Pairs with #8399CF

UI roles & guardrails

In real applications

Scales

Every model

Export