What color is #6C8FAC?

#6C8FAC is a medium, muted cyan-blue. In RGB it is rgb(108, 143, 172), and in HSL hsl(207, 28%, 55%).

Is #6C8FAC accessible as text?

On white, #6C8FAC has a contrast ratio of 3.41:1 (fails WCAG AA for body text); on black it is 6.16:1 (passes). For text placed on #6C8FAC, use black for the best readability.

What is the closest Tailwind color to #6C8FAC?

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

What colors go well with #6C8FAC?

#6C8FAC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AC896C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6C8FAC below.

Is #6C8FAC good for buttons?

#6C8FAC works well for buttons and highlights, but use black text on #6C8FAC — white text only reaches 3.41:1, below the 4.5:1 needed for normal-size labels.

Is #6C8FAC the same as CSS lightslategray?

No — #6C8FAC is not the CSS named color lightslategray, but lightslategray (#778899) 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.

#6C8FAC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6C8FAC

Not just a swatch — here's how #6C8FAC works with other colors. Named schemes with #6C8FAC in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #6C8FAC Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Air Force 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 #6C8FAC Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

Air Force 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 #6C8FAC Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

Air Force 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 #6C8FAC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #93B4CF

Air Force 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 Air Force Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #6C8FAC Secondary #ABB7C2 Support #969386 Ink #16140F

Air Force 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 Air Force Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #6C8FAC 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 33/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 35/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 23/100

Low

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

UI accent fit 63/100

High

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6C8FAC

For UI

For branding

For interior

For fashion

People also use #6C8FAC with

Laurel Green Very Peri Beaver 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 5.5:1. Use

Subtle surface Use #E3E9ED for cards and hover fills. Tint 80

Avoid beside #6C7AAC — 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 #6C8FAC 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: #6C8FAC;
  --color-base-rgb: 108 143 172;
  --color-base-oklch: oklch(63.5% 0.059 243.9);
  --color-50: #F5F8FA;
  --color-100: #E5EBF1;
  --color-200: #CBD7E2;
  --color-300: #A6B9CA;
  --color-400: #829BB0;
  --color-500: #627D93;
  --color-600: #4F6372;
  --color-700: #3C4953;
  --color-800: #2A3137;
  --color-900: #1B1F22;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  air-force-blue: {
    50: '#F5F8FA',
    100: '#E5EBF1',
    200: '#CBD7E2',
    300: '#A6B9CA',
    400: '#829BB0',
    500: '#627D93',
    600: '#4F6372',
    700: '#3C4953',
    800: '#2A3137',
    900: '#1B1F22',
  },
}

$base: #6C8FAC;
$base-ink: #141310;
$base-50: #F5F8FA;
$base-100: #E5EBF1;
$base-200: #CBD7E2;
$base-300: #A6B9CA;
$base-400: #829BB0;
$base-500: #627D93;
$base-600: #4F6372;
$base-700: #3C4953;
$base-800: #2A3137;
$base-900: #1B1F22;
$base-hover: #517390;
$base-subtle: #D5DDE4;

{
    "color": {
        "base": {
            "value": "#6C8FAC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E5EBF1",
                "type": "color"
            },
            "200": {
                "value": "#CBD7E2",
                "type": "color"
            },
            "300": {
                "value": "#A6B9CA",
                "type": "color"
            },
            "400": {
                "value": "#829BB0",
                "type": "color"
            },
            "500": {
                "value": "#627D93",
                "type": "color"
            },
            "600": {
                "value": "#4F6372",
                "type": "color"
            },
            "700": {
                "value": "#3C4953",
                "type": "color"
            },
            "800": {
                "value": "#2A3137",
                "type": "color"
            },
            "900": {
                "value": "#1B1F22",
                "type": "color"
            }
        }
    }
}

Palettes built on #6C8FAC

Color Lab

Pairs with #6C8FAC

UI roles & guardrails

In real applications

Scales

Every model

Export