What color is #6C91CF?

#6C91CF is a light, soft blue. In RGB it is rgb(108, 145, 207), and in HSL hsl(218, 51%, 62%).

Is #6C91CF accessible as text?

On white, #6C91CF has a contrast ratio of 3.19:1 (fails WCAG AA for body text); on black it is 6.59:1 (passes). For text placed on #6C91CF, use black for the best readability.

What is the closest Tailwind color to #6C91CF?

The nearest Tailwind CSS token is blue-400 (#51A2FF).

What colors go well with #6C91CF?

#6C91CF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D0AB6D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6C91CF below.

Is #6C91CF good for buttons?

#6C91CF works well for buttons and highlights, but use black text on #6C91CF — white text only reaches 3.19:1, below the 4.5:1 needed for normal-size labels.

Is #6C91CF the same as CSS cornflowerblue?

No — #6C91CF is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#6C91CF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6C91CF

Not just a swatch — here's how #6C91CF works with other colors. Named schemes with #6C91CF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6C91CF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Nordic Calm Accent · 5 colors

Accent #6C91CF Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #6C91CF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #94B7F1

Carolina 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 Carolina Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #6C91CF Secondary #AFBDD4 Support #9D8F88 Ink #16140F

Carolina 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 Carolina Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #6C91CF Anchor #3B2924 Surface #F3E1D2 Accent #789E79 Secondary #393933

Carolina Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #6C91CF 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 24/100

Cool

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

Softness 54/100

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 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 72/100

High

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

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6C91CF

For UI

For branding

For interior

For fashion

People also use #6C91CF with

Sky Blue Medium Purple Sand 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 5.8:1. Use

Subtle surface Use #E5EAF3 for cards and hover fills. Tint 80

Avoid beside #6D70D0 — 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 #6C91CF 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: #6C91CF;
  --color-base-rgb: 108 145 207;
  --color-base-oklch: oklch(65.5% 0.102 260.4);
  --color-50: #F3F6FC;
  --color-100: #E0E8F6;
  --color-200: #C1D1EB;
  --color-300: #97AFD9;
  --color-400: #6F8EC3;
  --color-500: #4E6EA7;
  --color-600: #415881;
  --color-700: #33425C;
  --color-800: #242D3D;
  --color-900: #181D26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F3F6FC',
    100: '#E0E8F6',
    200: '#C1D1EB',
    300: '#97AFD9',
    400: '#6F8EC3',
    500: '#4E6EA7',
    600: '#415881',
    700: '#33425C',
    800: '#242D3D',
    900: '#181D26',
  },
}

$base: #6C91CF;
$base-ink: #141310;
$base-50: #F3F6FC;
$base-100: #E0E8F6;
$base-200: #C1D1EB;
$base-300: #97AFD9;
$base-400: #6F8EC3;
$base-500: #4E6EA7;
$base-600: #415881;
$base-700: #33425C;
$base-800: #242D3D;
$base-900: #181D26;
$base-hover: #3E6DBF;
$base-subtle: #D7DFED;

{
    "color": {
        "base": {
            "value": "#6C91CF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F6FC",
                "type": "color"
            },
            "100": {
                "value": "#E0E8F6",
                "type": "color"
            },
            "200": {
                "value": "#C1D1EB",
                "type": "color"
            },
            "300": {
                "value": "#97AFD9",
                "type": "color"
            },
            "400": {
                "value": "#6F8EC3",
                "type": "color"
            },
            "500": {
                "value": "#4E6EA7",
                "type": "color"
            },
            "600": {
                "value": "#415881",
                "type": "color"
            },
            "700": {
                "value": "#33425C",
                "type": "color"
            },
            "800": {
                "value": "#242D3D",
                "type": "color"
            },
            "900": {
                "value": "#181D26",
                "type": "color"
            }
        }
    }
}

Palettes built on #6C91CF

Color Lab

Pairs with #6C91CF

UI roles & guardrails

In real applications

Scales

Every model

Export