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Color#335a5brgb(51, 90, 91) · blue

#335a5b color

Values, variations, harmonies, an accessible palette and ready-to-paste CSS for #335a5b.

Color values

The same color written in every notation you are likely to need. Click any row to copy it.

What HEX means

#335a5b packs three channels into hexadecimal pairs from 00 to FF: 33 red, 5a green, 5b blue.

What RGB means

Red 51, green 90, blue 91 — each from 0 to 255. It is the same color as the hex above, just in decimal.

What HSL means

Hue 182° (blue), saturation 28%, lightness 28%. HSL is handy when you want the same hue a little lighter or less saturated.

Why OKLCH

OKLCH is a perceptual space — changing its lightness (43.9%) matches how your eye reads brightness far better than HSL, which is why the palette below is generated in it.

Accessibility & contrast

WCAG requires at least 4.5:1 for normal text and 3:1 for large text at level AA. Use this to decide whether white or black text belongs on this color.

AaThis text is readable
White text7.62:1
AA AAA AA Large
AaThis text is readable
Black text2.75:1
AA AAA AA Large

Closest accessible alternative

Nudged in lightness to reach 4.5:1 while keeping the hue as close as possible.

Aa

For black text

#557d7d

4.62:1

UI preview

How this color behaves in a real interface, not just as a square.

Badge

A paragraph with a themed link inside it.

Information

An alert accented with this color.

Progress

Tints & shades

A tint mixes the color toward white; a shade mixes it toward black. Click any swatch to open it.

Color harmonies

Schemes built by rotating the hue around the color wheel — the starting point for a coherent palette.

Complementary

Opposite on the wheel — maximum contrast.

Analogous

Neighbours on the wheel — calm and cohesive.

Triadic

Three hues 120° apart — vivid but balanced.

Split complementary

Softer than a straight complement.

Tetradic

Four hues — enough for a design system.

Palette generator

A Tailwind-style 50–950 ramp anchored on this color at step 500, generated in OKLCH so the steps feel evenly spaced.

:root {
  --primary-50: #eefafa;
  --primary-100: #dff1f1;
  --primary-200: #c6dfdf;
  --primary-300: #a8c8c9;
  --primary-400: #84aaab;
  --primary-500: #335a5b;
  --primary-600: #496f70;
  --primary-700: #365a5b;
  --primary-800: #284748;
  --primary-900: #1f393a;
  --primary-950: #102021;
}

Gradient

A linear blend from this color to its complement, with the CSS ready to paste.

background: linear-gradient(135deg, #335a5b, #5b3533);

Nearest named colors

The closest matches from a corpus of about 31,900 named colours, ranked by ΔE (CIEDE2000) — a measure of how different two colours look. ΔE under 1 is nearly indistinguishable; around 10 is clearly different.

CSS code

Every common way to use this color in a stylesheet or a component.

color: #335a5b;
background-color: #335a5b;
:root {
  --color-primary: #335a5b;
}
color: rgb(51 90 91);
color: oklch(43.9% 0.0443 197.78);
<div class="bg-[#335a5b]">…</div>