What color is #6999D4?

#6999D4 is a light, soft blue. In RGB it is rgb(105, 153, 212), and in HSL hsl(213, 55%, 62%).

Is #6999D4 accessible as text?

On white, #6999D4 has a contrast ratio of 2.95:1 (fails WCAG AA for body text); on black it is 7.11:1 (passes). For text placed on #6999D4, use black for the best readability.

What is the closest Tailwind color to #6999D4?

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

What colors go well with #6999D4?

#6999D4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D3A369. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6999D4 below.

Is #6999D4 good for buttons?

#6999D4 works well for buttons and highlights, but use black text on #6999D4 — white text only reaches 2.95:1, below the 4.5:1 needed for normal-size labels.

Is #6999D4 the same as CSS cornflowerblue?

No — #6999D4 is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#6999D4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6999D4

Not just a swatch — here's how #6999D4 works with other colors. Named schemes with #6999D4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6999D4 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #6999D4 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 #6999D4 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #92BFF6

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 #6999D4 Secondary #B2C4D9 Support #9D8F89 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 #6999D4 Anchor #3B2924 Surface #EAE5D0 Accent #799E78 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 #6999D4 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 22/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 40/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 40/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 66/100

High

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

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6999D4

For UI

For branding

For interior

For fashion

People also use #6999D4 with

Light Blue Slate Blue Buff 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 6.3:1. Use

Subtle surface Use #E4EBF3 for cards and hover fills. Tint 80

Avoid beside #6975D3 — 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 #6999D4 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: #6999D4;
  --color-base-rgb: 105 153 212;
  --color-base-oklch: oklch(67.3% 0.102 254.2);
  --color-50: #F3F7FC;
  --color-100: #DFE9F6;
  --color-200: #C0D4ED;
  --color-300: #94B4DB;
  --color-400: #6B94C7;
  --color-500: #4A76AB;
  --color-600: #3F5D83;
  --color-700: #31455E;
  --color-800: #232F3E;
  --color-900: #171E26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F3F7FC',
    100: '#DFE9F6',
    200: '#C0D4ED',
    300: '#94B4DB',
    400: '#6B94C7',
    500: '#4A76AB',
    600: '#3F5D83',
    700: '#31455E',
    800: '#232F3E',
    900: '#171E26',
  },
}

$base: #6999D4;
$base-ink: #141310;
$base-50: #F3F7FC;
$base-100: #DFE9F6;
$base-200: #C0D4ED;
$base-300: #94B4DB;
$base-400: #6B94C7;
$base-500: #4A76AB;
$base-600: #3F5D83;
$base-700: #31455E;
$base-800: #232F3E;
$base-900: #171E26;
$base-hover: #3978C4;
$base-subtle: #D6E1EE;

{
    "color": {
        "base": {
            "value": "#6999D4",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE9F6",
                "type": "color"
            },
            "200": {
                "value": "#C0D4ED",
                "type": "color"
            },
            "300": {
                "value": "#94B4DB",
                "type": "color"
            },
            "400": {
                "value": "#6B94C7",
                "type": "color"
            },
            "500": {
                "value": "#4A76AB",
                "type": "color"
            },
            "600": {
                "value": "#3F5D83",
                "type": "color"
            },
            "700": {
                "value": "#31455E",
                "type": "color"
            },
            "800": {
                "value": "#232F3E",
                "type": "color"
            },
            "900": {
                "value": "#171E26",
                "type": "color"
            }
        }
    }
}

Palettes built on #6999D4

Color Lab

Pairs with #6999D4

UI roles & guardrails

In real applications

Scales

Every model

Export