Nearest named color: Ocean Blue
#368DBF
#368DBF
Nearest named
Ocean Blue
Family
Blue
Lightness
61.4%
Chroma
0.111
Hue angle
237.9°
Temperature
Cool
Contrast on white
3.67:1 · AA Large
Contrast on black
5.06:1 · AA
Web-safe
#3399CC
CSS oklch()
61% 0.11 238

#368DBF is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #368DBF

Not just a swatch — here's how #368DBF works with other colors. Named schemes with #368DBF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

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

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

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

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

Minimal Editorial Surface · 5 colors

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 #368DBF 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 17/100
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 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 48/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 47/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 30/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 86/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 29/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 73/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #368DBF

For UI
For branding
For interior
For fashion
People also use #368DBF with

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 #DAE7EF for cards and hover fills. Tint 80
Avoid beside #365FBF — 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 #368DBF 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

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #368DBF;
  --color-base-rgb: 54 141 191;
  --color-base-oklch: oklch(61.4% 0.111 237.9);
  --color-50: #F3F9FC;
  --color-100: #DFEEF7;
  --color-200: #BFDCED;
  --color-300: #93C1DC;
  --color-400: #6BA5C7;
  --color-500: #4988AC;
  --color-600: #3E6A84;
  --color-700: #314D5E;
  --color-800: #23343E;
  --color-900: #172126;
  --color-on-base: #141310;
}