What color is #258491?

#258491 is a dark cyan. In RGB it is rgb(37, 132, 145), and in HSL hsl(187, 59%, 36%).

Is #258491 accessible as text?

On white, #258491 has a contrast ratio of 4.39:1 (fails WCAG AA for body text); on black it is 4.79:1 (passes). For text placed on #258491, use black for the best readability.

What is the closest Tailwind color to #258491?

The nearest Tailwind CSS token is cyan-700 (#007595).

What colors go well with #258491?

#258491 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #923226. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #258491 below.

Is #258491 good for buttons?

#258491 works well for buttons and highlights, but use black text on #258491 — white text only reaches 4.39:1, below the 4.5:1 needed for normal-size labels.

Is #258491 the same as CSS darkcyan?

No — #258491 is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#258491 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #258491

Not just a swatch — here's how #258491 works with other colors. Named schemes with #258491 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #258491 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 #258491 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 #258491 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #5BA8B4

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 #258491 Secondary #715117 Surface #E3DCC0 Accent #395143 Anchor #56233F

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 #258491 Secondary #8BA6AA 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.

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Color Lab

How #258491 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 26/100

Cool

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

Moderate

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

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 59/100

Moderate

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

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 23/100

Low

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

UI accent fit 87/100

Very high

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

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #258491

For UI

For branding

For interior

For fashion

People also use #258491 with

Medium Sea Green Classic Blue Burnt Umber 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 4.4:1. Use

Subtle surface Use #D0E9EC for cards and hover fills. Tint 80

Avoid beside #266192 — 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 #258491 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: #258491;
  --color-base-rgb: 37 132 145;
  --color-base-oklch: oklch(56.6% 0.087 208.4);
  --color-50: #F2FBFC;
  --color-100: #DEF4F7;
  --color-200: #BEE9EE;
  --color-300: #92D5DE;
  --color-400: #68BECA;
  --color-500: #46A2AE;
  --color-600: #3C7D86;
  --color-700: #305A5F;
  --color-800: #223B3F;
  --color-900: #172527;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F2FBFC',
    100: '#DEF4F7',
    200: '#BEE9EE',
    300: '#92D5DE',
    400: '#68BECA',
    500: '#46A2AE',
    600: '#3C7D86',
    700: '#305A5F',
    800: '#223B3F',
    900: '#172527',
  },
}

$base: #258491;
$base-ink: #141310;
$base-50: #F2FBFC;
$base-100: #DEF4F7;
$base-200: #BEE9EE;
$base-300: #92D5DE;
$base-400: #68BECA;
$base-500: #46A2AE;
$base-600: #3C7D86;
$base-700: #305A5F;
$base-800: #223B3F;
$base-900: #172527;
$base-hover: #1E6B75;
$base-subtle: #B8DFE4;

{
    "color": {
        "base": {
            "value": "#258491",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFC",
                "type": "color"
            },
            "100": {
                "value": "#DEF4F7",
                "type": "color"
            },
            "200": {
                "value": "#BEE9EE",
                "type": "color"
            },
            "300": {
                "value": "#92D5DE",
                "type": "color"
            },
            "400": {
                "value": "#68BECA",
                "type": "color"
            },
            "500": {
                "value": "#46A2AE",
                "type": "color"
            },
            "600": {
                "value": "#3C7D86",
                "type": "color"
            },
            "700": {
                "value": "#305A5F",
                "type": "color"
            },
            "800": {
                "value": "#223B3F",
                "type": "color"
            },
            "900": {
                "value": "#172527",
                "type": "color"
            }
        }
    }
}

Palettes built on #258491

Color Lab

Pairs with #258491

UI roles & guardrails

In real applications

Scales

Every model

Export