#283870

Color #283870

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.32 Nearest Tailwind class blue-900 #1c398e · ΔE 5.1

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

Conversions

HEX

#283870

RGB

rgb(40, 56, 112)

HSL

hsl(226.7, 47.4%, 29.8%)

HSV / HSB

hsv(226.7, 64.3%, 43.9%)

CMYK

cmyk(64.3%, 50%, 0%, 56.1%)

LAB

lab(25.1, 12.8, -34.47)

LCH

lch(25.1, 36.77, 290.37)

OKLCH

oklch(35.9%, 0.0985, 269.01)

HWB

hwb(226.7, 15.7%, 56.1%)

Harmony colors

Complementary

#706028

Analogous

#285c70

#283870

#3c2870

Triadic

#283870

#702838

#387028

Split-complementary

#283870

#703c28

#5c7028

Tetradic

#283870

#602870

#706028

#387028

Square

#283870

#70285c

#706028

#28703c

Shades

Color #283870 mixed toward black.

#212f5d

#1b254b

#141c38

#0d1325

#070913

Tints

Color #283870 mixed toward white.

#384e9c

#4f68c0

#7b8ed0

#a7b4e0

#d3d9ef

Tones

Color #283870 mixed toward gray.

#2e3b6a

#343f64

#3a425e

#404558

#464952

Accessibility

Aa White text on this color

11.11:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#303066 · ΔE 4.3

Deuteranopia

#2f2d63 · ΔE 5.2

Tritanopia

#295d5b · ΔE 26.6

Achromatopsia

#3c3c3c · ΔE 20.6

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

Code

CSS

background-color: #283870;

Tailwind (arbitrary value)

bg-[#283870]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#283870 (#283870) is rgb(40, 56, 112) in RGB.

No, #283870 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

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 #283870, or check how it holds up for accessibility.

Generate a palette → Check contrast