What color is #6396BF?

#6396BF is a medium cyan-blue. In RGB it is rgb(99, 150, 191), and in HSL hsl(207, 42%, 57%).

Is #6396BF accessible as text?

On white, #6396BF has a contrast ratio of 3.16:1 (fails WCAG AA for body text); on black it is 6.65:1 (passes). For text placed on #6396BF, use black for the best readability.

What is the closest Tailwind color to #6396BF?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #6396BF?

#6396BF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BF8D63. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6396BF below.

Is #6396BF good for buttons?

#6396BF works well for buttons and highlights, but use black text on #6396BF — white text only reaches 3.16:1, below the 4.5:1 needed for normal-size labels.

Is #6396BF the same as CSS cadetblue?

No — #6396BF is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#6396BF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6396BF

Not just a swatch — here's how #6396BF works with other colors. Named schemes with #6396BF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #6396BF Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Ocean Blue 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 #6396BF Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

Ocean Blue 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 #6396BF Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

Ocean Blue 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 #6396BF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8DBBE2

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #6396BF Secondary #ADBECD Support #969386 Ink #16140F

Ocean Blue 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 Ocean Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #6396BF 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 26/100

Cool

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

Softness 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 67/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6396BF

For UI

For branding

For interior

For fashion

People also use #6396BF with

Medium Turquoise Tanzanite Camel 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 Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.9:1. Use

Subtle surface Use #E2EAF0 for cards and hover fills. Tint 80

Avoid beside #6377BF — 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 #6396BF 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: #6396BF;
  --color-base-rgb: 99 150 191;
  --color-base-oklch: oklch(65.3% 0.082 243.8);
  --color-50: #F4F8FB;
  --color-100: #E2ECF4;
  --color-200: #C5D8E7;
  --color-300: #9CBAD3;
  --color-400: #769CBC;
  --color-500: #557E9F;
  --color-600: #47647B;
  --color-700: #364958;
  --color-800: #26313B;
  --color-900: #191F24;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F4F8FB',
    100: '#E2ECF4',
    200: '#C5D8E7',
    300: '#9CBAD3',
    400: '#769CBC',
    500: '#557E9F',
    600: '#47647B',
    700: '#364958',
    800: '#26313B',
    900: '#191F24',
  },
}

$base: #6396BF;
$base-ink: #141310;
$base-50: #F4F8FB;
$base-100: #E2ECF4;
$base-200: #C5D8E7;
$base-300: #9CBAD3;
$base-400: #769CBC;
$base-500: #557E9F;
$base-600: #47647B;
$base-700: #364958;
$base-800: #26313B;
$base-900: #191F24;
$base-hover: #4379A5;
$base-subtle: #D4DFE9;

{
    "color": {
        "base": {
            "value": "#6396BF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E2ECF4",
                "type": "color"
            },
            "200": {
                "value": "#C5D8E7",
                "type": "color"
            },
            "300": {
                "value": "#9CBAD3",
                "type": "color"
            },
            "400": {
                "value": "#769CBC",
                "type": "color"
            },
            "500": {
                "value": "#557E9F",
                "type": "color"
            },
            "600": {
                "value": "#47647B",
                "type": "color"
            },
            "700": {
                "value": "#364958",
                "type": "color"
            },
            "800": {
                "value": "#26313B",
                "type": "color"
            },
            "900": {
                "value": "#191F24",
                "type": "color"
            }
        }
    }
}

Palettes built on #6396BF

Color Lab

Pairs with #6396BF

UI roles & guardrails

In real applications

Scales

Every model

Export