#283489

Color #283489

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.5 Nearest Tailwind class blue-900 #1c398e · ΔE 2.6

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Conversions

HEX

#283489

RGB

rgb(40, 52, 137)

HSL

hsl(232.6, 54.8%, 34.7%)

HSV / HSB

hsv(232.6, 70.8%, 53.7%)

CMYK

cmyk(70.8%, 62%, 0%, 46.3%)

LAB

lab(25.9, 25.09, -48.94)

LCH

lch(25.9, 55, 297.14)

OKLCH

oklch(37.1%, 0.1412, 271.5)

HWB

hwb(232.6, 15.7%, 46.3%)

Harmony colors

Complementary

#897d28

Analogous

#286489

#283489

#4d2889

Triadic

#283489

#892834

#348928

Split-complementary

#283489

#894d28

#648928

Tetradic

#283489

#7d2889

#897d28

#348928

Square

#283489

#892864

#897d28

#28894d

Shades

Color #283489 mixed toward black.

#212b72

#1b235b

#141a44

#0d112e

#070917

Tints

Color #283489 mixed toward white.

#3544b4

#5362cd

#7e89d9

#a9b1e6

#d4d8f2

Tones

Color #283489 mixed toward gray.

#303a81

#384079

#404671

#484c69

#505261

Accessibility

Aa White text on this color

10.81:1

Aa Black text on this color

1.94:1

White text reads better on this background (10.81:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e7b · ΔE 3.1

Deuteranopia

#2d2c77 · ΔE 3.8

Tritanopia

#296e6b · ΔE 32.6

Achromatopsia

#3d3d3d · ΔE 24.8

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

Code

CSS

background-color: #283489;

Tailwind (arbitrary value)

bg-[#283489]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#283489 (#283489) is rgb(40, 52, 137) in RGB.

No, #283489 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 #283489, or check how it holds up for accessibility.

Generate a palette → Check contrast