Nearest named color: Dark Cyan
#28958C
#28958C
Nearest named
Dark Cyan
Family
Blue
Lightness
60.8%
Chroma
0.096
Hue angle
186.8°
Temperature
Cool
Contrast on white
3.64:1 · AA Large
Contrast on black
5.10:1 · AA
Web-safe
#339999
CSS oklch()
61% 0.10 187

#28958C is a mid-toned, cool cyan. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on #28958C

Not just a swatch — here's how #28958C works with other colors. Named schemes with #28958C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

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

Vintage Leather Lead · 5 colors

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.

Modern Café Dominant · 5 colors

Dark Cyan anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

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

Minimal Editorial Surface · 5 colors

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.

Build a working theme in the generator →

Color Lab

How #28958C 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 29/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 52/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 39/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 26/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 57/100
Moderate
Faded, nostalgic quality — editorial, heritage and retro work.
Luxury 46/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 26/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 83/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 34/100
Low
Usable as a tinted surface in measured doses.
Print safety 78/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #28958C

For UI
For branding
For interior
For fashion

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 #D1ECEA for cards and hover fills. Tint 80
Avoid beside #287A95 — 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 #28958C at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
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: #28958C;
  --color-base-rgb: 40 149 140;
  --color-base-oklch: oklch(60.8% 0.096 186.8);
  --color-50: #F2FCFB;
  --color-100: #DEF7F5;
  --color-200: #BFEEEA;
  --color-300: #92DDD7;
  --color-400: #69C9C1;
  --color-500: #47ADA5;
  --color-600: #3D857F;
  --color-700: #305F5B;
  --color-800: #233E3C;
  --color-900: #172625;
  --color-on-base: #141310;
}