#283f38

Color #283f38

A muted dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 8.45 Nearest Tailwind class teal-950 #022f2e · ΔE 7.3

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

Conversions

HEX

#283f38

RGB

rgb(40, 63, 56)

HSL

hsl(161.7, 22.3%, 20.2%)

HSV / HSB

hsv(161.7, 36.5%, 24.7%)

CMYK

cmyk(36.5%, 0%, 11.1%, 75.3%)

LAB

lab(24.61, -10.86, 1.43)

LCH

lch(24.61, 10.95, 172.5)

OKLCH

oklch(34.6%, 0.0314, 173.42)

HWB

hwb(161.7, 15.7%, 75.3%)

Harmony colors

Complementary

#3f282f

Analogous

#283f2d

#283f38

#283b3f

Triadic

#283f38

#38283f

#3f3828

Split-complementary

#283f38

#3f283b

#3f2d28

Tetradic

#283f38

#282f3f

#3f282f

#3f3828

Square

#283f38

#2d283f

#3f282f

#3b3f28

Shades

Color #283f38 mixed toward black.

#21342f

#1b2a25

#141f1c

#0d1513

#070a09

Tints

Color #283f38 mixed toward white.

#42685d

#5d9282

#83b0a2

#accac1

#d6e5e0

Tones

Color #283f38 mixed toward gray.

#2a3d37

#2c3b36

#2e3936

#303735

#323534

Accessibility

Aa White text on this color

11.3:1

Aa Black text on this color

1.86:1

White text reads better on this background (11.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#33343a · ΔE 14.2

Deuteranopia

#32303a · ΔE 17.5

Tritanopia

#293b3b · ΔE 4.8

Achromatopsia

#3a3a3a · ΔE 11.9

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

Code

CSS

background-color: #283f38;

Tailwind (arbitrary value)

bg-[#283f38]

Related colors

Aquamarine #7fffd4

Medium Aquamarine #66cdaa

Medium Spring Green #00fa9a

Mint Cream #f5fffa

Spring Green #00ff7f

Turquoise #40e0d0

Frequently asked questions

#283f38 (#283f38) is rgb(40, 63, 56) in RGB.

No, #283f38 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 #283f38, or check how it holds up for accessibility.

Generate a palette → Check contrast