#283033

Color #283033

A nearly neutral, gray-leaning very dark cyan.

Closest named color Charcoal #36454f · ΔE 10.39 Nearest Tailwind class mist-800 #22292b · ΔE 2.3

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Conversions

HEX

#283033

RGB

rgb(40, 48, 51)

HSL

hsl(196.4, 12.1%, 17.8%)

HSV / HSB

hsv(196.4, 21.6%, 20%)

CMYK

cmyk(21.6%, 5.9%, 0%, 80%)

LAB

lab(19.24, -2.62, -3.07)

LCH

lch(19.24, 4.04, 229.52)

OKLCH

oklch(30.3%, 0.0123, 222.37)

HWB

hwb(196.4, 15.7%, 80%)

Harmony colors

Complementary

#332b28

Analogous

#283330

#283033

#282a33

Triadic

#283033

#332830

#303328

Split-complementary

#283033

#33282a

#333028

Tetradic

#283033

#2b2833

#332b28

#303328

Square

#283033

#302833

#332b28

#2a3328

Shades

Color #283033 mixed toward black.

#21282a

#1b2022

#141819

#0d1011

#070808

Tints

Color #283033 mixed toward white.

#47555a

#657a81

#8a9ca3

#b1bdc2

#d8dee0

Tones

Color #283033 mixed toward gray.

#292f32

#2a2f31

#2b2f30

#2c2e2f

#2c2e2e

Accessibility

Aa White text on this color

13.45:1

Aa Black text on this color

1.56:1

White text reads better on this background (13.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c32 · ΔE 5.8

Deuteranopia

#2b2b32 · ΔE 6.3

Tritanopia

#283232 · ΔE 2.6

Achromatopsia

#2f2f2f · ΔE 4.5

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

Code

CSS

background-color: #283033;

Tailwind (arbitrary value)

bg-[#283033]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#283033 (#283033) is rgb(40, 48, 51) in RGB.

No, #283033 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 #283033, or check how it holds up for accessibility.

Generate a palette → Check contrast