#3c666b

Color #3c666b

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 10.01 Nearest Tailwind class cyan-800 #005f78 · ΔE 8.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#3c666b

RGB

rgb(60, 102, 107)

HSL

hsl(186.4, 28.1%, 32.7%)

HSV / HSB

hsv(186.4, 43.9%, 42%)

CMYK

cmyk(43.9%, 4.7%, 0%, 58%)

LAB

lab(40.45, -13.18, -7.42)

LCH

lch(40.45, 15.13, 209.38)

OKLCH

oklch(48.2%, 0.0475, 205.43)

HWB

hwb(186.4, 23.5%, 58%)

Harmony colors

Complementary

#6b413c

Analogous

#3c6b58

#3c666b

#3c4e6b

Triadic

#3c666b

#6b3c66

#666b3c

Split-complementary

#3c666b

#6b3c4e

#6b583c

Tetradic

#3c666b

#413c6b

#6b413c

#666b3c

Square

#3c666b

#583c6b

#6b413c

#4e6b3c

Shades

Color #3c666b mixed toward black.

#325559

#284447

#1e3335

#142224

#0a1112

Tints

Color #3c666b mixed toward white.

#51898f

#6ca6ad

#91bcc1

#b6d2d6

#dae9ea

Tones

Color #3c666b mixed toward gray.

#406367

#446063

#485d5f

#4c5a5b

#4f5657

Accessibility

Aa White text on this color

6.35:1

Aa Black text on this color

3.3:1

White text reads better on this background (6.35:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#51526a · ΔE 20.4

Deuteranopia

#4f4c6a · ΔE 23.2

Tritanopia

#3f6969 · ΔE 2.7

Achromatopsia

#5f5f5f · ΔE 14.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #3c666b;

Tailwind (arbitrary value)

bg-[#3c666b]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#3c666b (#3c666b) is rgb(60, 102, 107) in RGB.

No, #3c666b is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #3c666b, or check how it holds up for accessibility.

Generate a palette → Check contrast