What color is #258FB3?

#258FB3 is a medium cyan. In RGB it is rgb(37, 143, 179), and in HSL hsl(195, 66%, 42%).

Is #258FB3 accessible as text?

On white, #258FB3 has a contrast ratio of 3.71:1 (fails WCAG AA for body text); on black it is 5.66:1 (passes). For text placed on #258FB3, use black for the best readability.

What is the closest Tailwind color to #258FB3?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #258FB3?

#258FB3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B24824. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #258FB3 below.

Is #258FB3 good for buttons?

#258FB3 works well for buttons and highlights, but use black text on #258FB3 — white text only reaches 3.71:1, below the 4.5:1 needed for normal-size labels.

Is #258FB3 the same as CSS steelblue?

No — #258FB3 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#258FB3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #258FB3

Not just a swatch — here's how #258FB3 works with other colors. Named schemes with #258FB3 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #258FB3 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Bondi 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 #258FB3 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #5FB4D5

Bondi 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 Bondi Blue.

Vintage Leather Lead · 5 colors

Lead #258FB3 Secondary #6F5116 Surface #E2DCC0 Accent #385244 Anchor #56233D

Bondi 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 #258FB3 Surface #EEE9D6 Anchor #592248 Accent #E4C2CC Secondary #322B30

Bondi 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 #258FB3 Secondary #95B3C0 Support #969386 Ink #16140F

Bondi 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 Bondi Blue carrying the quiet middle.

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Color Lab

How #258FB3 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 19/100

Cool

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 29/100

Low

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

UI accent fit 86/100

Very high

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #258FB3

For UI

For branding

For interior

For fashion

People also use #258FB3 with

Medium Aquamarine Cobalt Blue Rust 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 5.0:1. Use

Subtle surface Use #D3E8EF for cards and hover fills. Tint 80

Avoid beside #245FB2 — 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 #258FB3 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: #258FB3;
  --color-base-rgb: 37 143 179;
  --color-base-oklch: oklch(60.8% 0.106 226.1);
  --color-50: #F2FAFD;
  --color-100: #DCF2F9;
  --color-200: #BBE4F1;
  --color-300: #8DCDE2;
  --color-400: #62B4D0;
  --color-500: #4097B5;
  --color-600: #38758A;
  --color-700: #2D5562;
  --color-800: #213840;
  --color-900: #162328;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F2FAFD',
    100: '#DCF2F9',
    200: '#BBE4F1',
    300: '#8DCDE2',
    400: '#62B4D0',
    500: '#4097B5',
    600: '#38758A',
    700: '#2D5562',
    800: '#213840',
    900: '#162328',
  },
}

$base: #258FB3;
$base-ink: #141310;
$base-50: #F2FAFD;
$base-100: #DCF2F9;
$base-200: #BBE4F1;
$base-300: #8DCDE2;
$base-400: #62B4D0;
$base-500: #4097B5;
$base-600: #38758A;
$base-700: #2D5562;
$base-800: #213840;
$base-900: #162328;
$base-hover: #1D728E;
$base-subtle: #BCDEE9;

{
    "color": {
        "base": {
            "value": "#258FB3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF2F9",
                "type": "color"
            },
            "200": {
                "value": "#BBE4F1",
                "type": "color"
            },
            "300": {
                "value": "#8DCDE2",
                "type": "color"
            },
            "400": {
                "value": "#62B4D0",
                "type": "color"
            },
            "500": {
                "value": "#4097B5",
                "type": "color"
            },
            "600": {
                "value": "#38758A",
                "type": "color"
            },
            "700": {
                "value": "#2D5562",
                "type": "color"
            },
            "800": {
                "value": "#213840",
                "type": "color"
            },
            "900": {
                "value": "#162328",
                "type": "color"
            }
        }
    }
}

Palettes built on #258FB3

Color Lab

Pairs with #258FB3

UI roles & guardrails

In real applications

Scales

Every model

Export