What color is #158CD5?

#158CD5 is a medium, vivid cyan-blue. In RGB it is rgb(21, 140, 213), and in HSL hsl(203, 82%, 46%).

Is #158CD5 accessible as text?

On white, #158CD5 has a contrast ratio of 3.66:1 (fails WCAG AA for body text); on black it is 5.74:1 (passes). For text placed on #158CD5, use black for the best readability.

What is the closest Tailwind color to #158CD5?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #158CD5?

#158CD5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D55F15. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #158CD5 below.

Is #158CD5 good for buttons?

#158CD5 works well for buttons and highlights, but use black text on #158CD5 — white text only reaches 3.66:1, below the 4.5:1 needed for normal-size labels.

Is #158CD5 the same as CSS steelblue?

No — #158CD5 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#158CD5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #158CD5

Not just a swatch — here's how #158CD5 works with other colors. Named schemes with #158CD5 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #158CD5 Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #158CD5 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #58B2F6

Ocean 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 Ocean Blue.

Vintage Leather Lead · 5 colors

Lead #158CD5 Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233C

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

Berry & Cream Lead · 5 colors

Lead #158CD5 Surface #EEE9D6 Anchor #5A2246 Accent #E4C2CB Secondary #322B30

Ocean Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #158CD5 Secondary #95B4CE Support #969386 Ink #16140F

Ocean 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 Ocean Blue carrying the quiet middle.

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Color Lab

How #158CD5 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 8/100

Cool

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

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

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 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 88/100

Very high

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

Surface fit 19/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 66/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #158CD5

For UI

For branding

For interior

For fashion

People also use #158CD5 with

Turquoise Medium Blue Tawny Platinum 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 Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.1:1. Use

Subtle surface Use #D3E7F4 for cards and hover fills. Tint 80

Avoid beside #154CD5 — 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 #158CD5 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: #158CD5;
  --color-base-rgb: 21 140 213;
  --color-base-oklch: oklch(61.6% 0.145 243.7);
  --color-50: #F0F9FE;
  --color-100: #D9EFFC;
  --color-200: #B5DEF8;
  --color-300: #83C4ED;
  --color-400: #55A9DD;
  --color-500: #328BC3;
  --color-600: #2E6D94;
  --color-700: #264F69;
  --color-800: #1D3544;
  --color-900: #14212A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F0F9FE',
    100: '#D9EFFC',
    200: '#B5DEF8',
    300: '#83C4ED',
    400: '#55A9DD',
    500: '#328BC3',
    600: '#2E6D94',
    700: '#264F69',
    800: '#1D3544',
    900: '#14212A',
  },
}

$base: #158CD5;
$base-ink: #141310;
$base-50: #F0F9FE;
$base-100: #D9EFFC;
$base-200: #B5DEF8;
$base-300: #83C4ED;
$base-400: #55A9DD;
$base-500: #328BC3;
$base-600: #2E6D94;
$base-700: #264F69;
$base-800: #1D3544;
$base-900: #14212A;
$base-hover: #1170AB;
$base-subtle: #BCDCEF;

{
    "color": {
        "base": {
            "value": "#158CD5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F9FE",
                "type": "color"
            },
            "100": {
                "value": "#D9EFFC",
                "type": "color"
            },
            "200": {
                "value": "#B5DEF8",
                "type": "color"
            },
            "300": {
                "value": "#83C4ED",
                "type": "color"
            },
            "400": {
                "value": "#55A9DD",
                "type": "color"
            },
            "500": {
                "value": "#328BC3",
                "type": "color"
            },
            "600": {
                "value": "#2E6D94",
                "type": "color"
            },
            "700": {
                "value": "#264F69",
                "type": "color"
            },
            "800": {
                "value": "#1D3544",
                "type": "color"
            },
            "900": {
                "value": "#14212A",
                "type": "color"
            }
        }
    }
}