What color is #127DB2?

#127DB2 is a dark, vivid cyan-blue. In RGB it is rgb(18, 125, 178), and in HSL hsl(200, 82%, 38%).

Is #127DB2 accessible as text?

On white, #127DB2 has a contrast ratio of 4.56:1 (passes WCAG AA for body text); on black it is 4.60:1 (passes). For text placed on #127DB2, use black for the best readability.

What is the closest Tailwind color to #127DB2?

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

What colors go well with #127DB2?

#127DB2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B04611. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #127DB2 below.

Is #127DB2 good for buttons?

#127DB2 works for buttons; black text has the higher contrast, so prefer it for labels.

Is #127DB2 the same as CSS steelblue?

No — #127DB2 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#127DB2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #127DB2

Not just a swatch — here's how #127DB2 works with other colors. Named schemes with #127DB2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #127DB2 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Steel 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 #127DB2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #51A2D3

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #127DB2 Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

Steel 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 #127DB2 Surface #EEE9D6 Anchor #592246 Accent #E4C2CC Secondary #322B30

Steel 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 #127DB2 Secondary #87A3B6 Support #969386 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

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Color Lab

How #127DB2 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 15/100

Cool

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

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

Surface fit 22/100

Low

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

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #127DB2

For UI

For branding

For interior

For fashion

People also use #127DB2 with

Medium Aquamarine Klein Blue Sienna Platinum Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

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

Background Pair with white text at 4.6:1. Use

Subtle surface Use #CDE6F2 for cards and hover fills. Tint 80

Avoid beside #1146B0 — 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 #127DB2 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: #127DB2;
  --color-base-rgb: 18 125 178;
  --color-base-oklch: oklch(56.0% 0.120 238.1);
  --color-50: #F0FAFE;
  --color-100: #D9F0FC;
  --color-200: #B5E1F8;
  --color-300: #83C9ED;
  --color-400: #55B0DD;
  --color-500: #3292C3;
  --color-600: #2E7294;
  --color-700: #265269;
  --color-800: #1D3744;
  --color-900: #14222A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F0FAFE',
    100: '#D9F0FC',
    200: '#B5E1F8',
    300: '#83C9ED',
    400: '#55B0DD',
    500: '#3292C3',
    600: '#2E7294',
    700: '#265269',
    800: '#1D3744',
    900: '#14222A',
  },
}

$base: #127DB2;
$base-ink: #141310;
$base-50: #F0FAFE;
$base-100: #D9F0FC;
$base-200: #B5E1F8;
$base-300: #83C9ED;
$base-400: #55B0DD;
$base-500: #3292C3;
$base-600: #2E7294;
$base-700: #265269;
$base-800: #1D3744;
$base-900: #14222A;
$base-hover: #0E638D;
$base-subtle: #B2D9ED;

{
    "color": {
        "base": {
            "value": "#127DB2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F0FC",
                "type": "color"
            },
            "200": {
                "value": "#B5E1F8",
                "type": "color"
            },
            "300": {
                "value": "#83C9ED",
                "type": "color"
            },
            "400": {
                "value": "#55B0DD",
                "type": "color"
            },
            "500": {
                "value": "#3292C3",
                "type": "color"
            },
            "600": {
                "value": "#2E7294",
                "type": "color"
            },
            "700": {
                "value": "#265269",
                "type": "color"
            },
            "800": {
                "value": "#1D3744",
                "type": "color"
            },
            "900": {
                "value": "#14222A",
                "type": "color"
            }
        }
    }
}

Palettes built on #127DB2

Color Lab

Pairs with #127DB2

UI roles & guardrails

In real applications

Scales

Every model

Export