What color is #109FA4?

#109FA4 is a dark, vivid cyan. In RGB it is rgb(16, 159, 164), and in HSL hsl(182, 82%, 35%).

Is #109FA4 accessible as text?

On white, #109FA4 has a contrast ratio of 3.22:1 (fails WCAG AA for body text); on black it is 6.52:1 (passes). For text placed on #109FA4, use black for the best readability.

What is the closest Tailwind color to #109FA4?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #109FA4?

#109FA4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A21510. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #109FA4 below.

Is #109FA4 good for buttons?

#109FA4 works well for buttons and highlights, but use black text on #109FA4 — white text only reaches 3.22:1, below the 4.5:1 needed for normal-size labels.

Is #109FA4 the same as CSS cadetblue?

No — #109FA4 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#109FA4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #109FA4

Not just a swatch — here's how #109FA4 works with other colors. Named schemes with #109FA4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #109FA4 Accent #A6C4BD Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Persian Green 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 #109FA4 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #109FA4 Secondary #9CBFC0 Support #979286 Ink #16140F

Persian Green 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 Persian Green carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #109FA4 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #5CC3C8

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

Modern Café Dominant · 5 colors

Dominant #109FA4 Anchor #382C1D Surface #EBE4D0 Accent #809D72 Secondary #3A3933

Persian Green 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 #109FA4 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 23/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

Low

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

Naturalness 12/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 78/100

High

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

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #109FA4

For UI

For branding

For interior

For fashion

People also use #109FA4 with

Emerald Green Cobalt Blue Cherry Red Platinum Dark Slate Gray

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 #CAF0F1 for cards and hover fills. Tint 80

Avoid beside #106DA2 — 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 #109FA4 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: #109FA4;
  --color-base-rgb: 16 159 164;
  --color-base-oklch: oklch(63.9% 0.106 198.9);
  --color-50: #F0FEFE;
  --color-100: #D9FBFC;
  --color-200: #B5F5F8;
  --color-300: #83E9ED;
  --color-400: #55D8DD;
  --color-500: #32BEC3;
  --color-600: #2E9194;
  --color-700: #266669;
  --color-800: #1D4344;
  --color-900: #14292A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  persian-green: {
    50: '#F0FEFE',
    100: '#D9FBFC',
    200: '#B5F5F8',
    300: '#83E9ED',
    400: '#55D8DD',
    500: '#32BEC3',
    600: '#2E9194',
    700: '#266669',
    800: '#1D4344',
    900: '#14292A',
  },
}

$base: #109FA4;
$base-ink: #141310;
$base-50: #F0FEFE;
$base-100: #D9FBFC;
$base-200: #B5F5F8;
$base-300: #83E9ED;
$base-400: #55D8DD;
$base-500: #32BEC3;
$base-600: #2E9194;
$base-700: #266669;
$base-800: #1D4344;
$base-900: #14292A;
$base-hover: #0D7E82;
$base-subtle: #AEEAEC;

{
    "color": {
        "base": {
            "value": "#109FA4",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFE",
                "type": "color"
            },
            "100": {
                "value": "#D9FBFC",
                "type": "color"
            },
            "200": {
                "value": "#B5F5F8",
                "type": "color"
            },
            "300": {
                "value": "#83E9ED",
                "type": "color"
            },
            "400": {
                "value": "#55D8DD",
                "type": "color"
            },
            "500": {
                "value": "#32BEC3",
                "type": "color"
            },
            "600": {
                "value": "#2E9194",
                "type": "color"
            },
            "700": {
                "value": "#266669",
                "type": "color"
            },
            "800": {
                "value": "#1D4344",
                "type": "color"
            },
            "900": {
                "value": "#14292A",
                "type": "color"
            }
        }
    }
}

Palettes built on #109FA4

Color Lab

Pairs with #109FA4

UI roles & guardrails

In real applications

Scales

Every model

Export