What color is #409C8B?

#409C8B is a medium teal. In RGB it is rgb(64, 156, 139), and in HSL hsl(169, 42%, 43%).

Is #409C8B accessible as text?

On white, #409C8B has a contrast ratio of 3.31:1 (fails WCAG AA for body text); on black it is 6.35:1 (passes). For text placed on #409C8B, use black for the best readability.

What is the closest Tailwind color to #409C8B?

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

What colors go well with #409C8B?

#409C8B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9C4050. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #409C8B below.

Is #409C8B good for buttons?

#409C8B works well for buttons and highlights, but use black text on #409C8B — white text only reaches 3.31:1, below the 4.5:1 needed for normal-size labels.

Is #409C8B the same as CSS cadetblue?

No — #409C8B is not the CSS named color cadetblue, but cadetblue (#5F9EA0) 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.

#409C8B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #409C8B

Not just a swatch — here's how #409C8B works with other colors. Named schemes with #409C8B in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #409C8B Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 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.

Japanese Sand Base · 5 colors

Base #409C8B Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Persian Green 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.

Coastal Morning Lead · 5 colors

Lead #409C8B Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1C3549

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #409C8B Secondary #A0BCB5 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 #409C8B Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #71C0B0

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.

Build a working theme in the generator →

Color Lab

How #409C8B 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 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

Low

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

Naturalness 38/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 58/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 75/100

High

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

Surface fit 37/100

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 #409C8B

For UI

For branding

For interior

For fashion

People also use #409C8B with

Medium Sea Green Teal Blue Cordovan 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 5.6:1. Use

Subtle surface Use #D9EBE7 for cards and hover fills. Tint 80

Avoid beside #408E9C — 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 #409C8B 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: #409C8B;
  --color-base-rgb: 64 156 139;
  --color-base-oklch: oklch(63.3% 0.091 179.1);
  --color-50: #F4FBFA;
  --color-100: #E2F4F0;
  --color-200: #C5E7E1;
  --color-300: #9CD3C9;
  --color-400: #76BCAF;
  --color-500: #559F92;
  --color-600: #477B71;
  --color-700: #365852;
  --color-800: #263B37;
  --color-900: #192422;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  persian-green: {
    50: '#F4FBFA',
    100: '#E2F4F0',
    200: '#C5E7E1',
    300: '#9CD3C9',
    400: '#76BCAF',
    500: '#559F92',
    600: '#477B71',
    700: '#365852',
    800: '#263B37',
    900: '#192422',
  },
}

$base: #409C8B;
$base-ink: #141310;
$base-50: #F4FBFA;
$base-100: #E2F4F0;
$base-200: #C5E7E1;
$base-300: #9CD3C9;
$base-400: #76BCAF;
$base-500: #559F92;
$base-600: #477B71;
$base-700: #365852;
$base-800: #263B37;
$base-900: #192422;
$base-hover: #337D6F;
$base-subtle: #C5E1DC;

{
    "color": {
        "base": {
            "value": "#409C8B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E2F4F0",
                "type": "color"
            },
            "200": {
                "value": "#C5E7E1",
                "type": "color"
            },
            "300": {
                "value": "#9CD3C9",
                "type": "color"
            },
            "400": {
                "value": "#76BCAF",
                "type": "color"
            },
            "500": {
                "value": "#559F92",
                "type": "color"
            },
            "600": {
                "value": "#477B71",
                "type": "color"
            },
            "700": {
                "value": "#365852",
                "type": "color"
            },
            "800": {
                "value": "#263B37",
                "type": "color"
            },
            "900": {
                "value": "#192422",
                "type": "color"
            }
        }
    }
}

Palettes built on #409C8B

Color Lab

Pairs with #409C8B

UI roles & guardrails

In real applications

Scales

Every model

Export