#284a4d

Color #284a4d

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 2.9 Nearest Tailwind class teal-900 #0b4f4a · ΔE 7.4

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

Conversions

HEX

#284a4d

RGB

rgb(40, 74, 77)

HSL

hsl(184.9, 31.6%, 22.9%)

HSV / HSB

hsv(184.9, 48.1%, 30.2%)

CMYK

cmyk(48.1%, 3.9%, 0%, 69.8%)

LAB

lab(29.12, -11.44, -5.66)

LCH

lch(29.12, 12.76, 206.32)

OKLCH

oklch(38.5%, 0.04, 202.97)

HWB

hwb(184.9, 15.7%, 69.8%)

Harmony colors

Complementary

#4d2b28

Analogous

#284d3d

#284a4d

#28374d

Triadic

#284a4d

#4d284a

#4a4d28

Split-complementary

#284a4d

#4d2837

#4d3d28

Tetradic

#284a4d

#2b284d

#4d2b28

#4a4d28

Square

#284a4d

#3d284d

#4d2b28

#374d28

Shades

Color #284a4d mixed toward black.

#213e40

#1b3133

#142526

#0d191a

#070c0d

Tints

Color #284a4d mixed toward white.

#3e7378

#559da3

#7eb7bc

#a9cfd2

#d4e7e9

Tones

Color #284a4d mixed toward gray.

#2b474a

#2e4547

#314244

#344041

#373d3d

Accessibility

Aa White text on this color

9.65:1

Aa Black text on this color

2.18:1

White text reads better on this background (9.65:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a4c · ΔE 18.5

Deuteranopia

#38354c · ΔE 21.4

Tritanopia

#2a4c4c · ΔE 1.8

Achromatopsia

#454545 · ΔE 12.8

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

Code

CSS

background-color: #284a4d;

Tailwind (arbitrary value)

bg-[#284a4d]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#284a4d (#284a4d) is rgb(40, 74, 77) in RGB.

No, #284a4d is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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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 #284a4d, or check how it holds up for accessibility.

Generate a palette → Check contrast