What color is #37848B?

#37848B is a dark cyan. In RGB it is rgb(55, 132, 139), and in HSL hsl(185, 43%, 38%).

Is #37848B accessible as text?

On white, #37848B has a contrast ratio of 4.34:1 (fails WCAG AA for body text); on black it is 4.84:1 (passes). For text placed on #37848B, use black for the best readability.

What is the closest Tailwind color to #37848B?

The nearest Tailwind CSS token is mist-500 (#67787C).

What colors go well with #37848B?

#37848B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8B3E37. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37848B below.

Is #37848B good for buttons?

#37848B works well for buttons and highlights, but use black text on #37848B — white text only reaches 4.34:1, below the 4.5:1 needed for normal-size labels.

Is #37848B the same as CSS darkcyan?

No — #37848B is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#37848B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37848B

Not just a swatch — here's how #37848B works with other colors. Named schemes with #37848B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #37848B Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Cyan 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 #37848B Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Dark Cyan 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 #37848B Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #66A8AE

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

Vintage Leather Lead · 5 colors

Lead #37848B Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

Dark Cyan plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #37848B Secondary #8FA6A8 Support #979286 Ink #16140F

Dark Cyan 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 Dark Cyan carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #37848B 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 30/100

Cool

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

Softness 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

Moderate

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

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 56/100

Moderate

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

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 20/100

Low

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

UI accent fit 82/100

Very 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 #37848B

For UI

For branding

For interior

For fashion

People also use #37848B with

Jungle Green Lapis Lazuli Cordovan Platinum Dark Slate Gray

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.3:1. Use

Subtle surface Use #D6E8E9 for cards and hover fills. Tint 80

Avoid beside #37688B — 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 #37848B 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: #37848B;
  --color-base-rgb: 55 132 139;
  --color-base-oklch: oklch(56.9% 0.076 203.5);
  --color-50: #F4FAFB;
  --color-100: #E1F2F4;
  --color-200: #C5E5E8;
  --color-300: #9CCFD3;
  --color-400: #75B7BD;
  --color-500: #559AA0;
  --color-600: #46777C;
  --color-700: #365659;
  --color-800: #26393B;
  --color-900: #192324;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F4FAFB',
    100: '#E1F2F4',
    200: '#C5E5E8',
    300: '#9CCFD3',
    400: '#75B7BD',
    500: '#559AA0',
    600: '#46777C',
    700: '#365659',
    800: '#26393B',
    900: '#192324',
  },
}

$base: #37848B;
$base-ink: #141310;
$base-50: #F4FAFB;
$base-100: #E1F2F4;
$base-200: #C5E5E8;
$base-300: #9CCFD3;
$base-400: #75B7BD;
$base-500: #559AA0;
$base-600: #46777C;
$base-700: #365659;
$base-800: #26393B;
$base-900: #192324;
$base-hover: #2C696F;
$base-subtle: #C0DCDF;

{
    "color": {
        "base": {
            "value": "#37848B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F2F4",
                "type": "color"
            },
            "200": {
                "value": "#C5E5E8",
                "type": "color"
            },
            "300": {
                "value": "#9CCFD3",
                "type": "color"
            },
            "400": {
                "value": "#75B7BD",
                "type": "color"
            },
            "500": {
                "value": "#559AA0",
                "type": "color"
            },
            "600": {
                "value": "#46777C",
                "type": "color"
            },
            "700": {
                "value": "#365659",
                "type": "color"
            },
            "800": {
                "value": "#26393B",
                "type": "color"
            },
            "900": {
                "value": "#192324",
                "type": "color"
            }
        }
    }
}

Palettes built on #37848B

Color Lab

Pairs with #37848B

UI roles & guardrails

In real applications

Scales

Every model

Export