#284f89

Color #284f89

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.34 Nearest Tailwind class sky-900 #024a70 · ΔE 6.7

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Conversions

HEX

#284f89

RGB

rgb(40, 79, 137)

HSL

hsl(215.9, 54.8%, 34.7%)

HSV / HSB

hsv(215.9, 70.8%, 53.7%)

CMYK

cmyk(70.8%, 42.3%, 0%, 46.3%)

LAB

lab(33.67, 6.72, -36.42)

LCH

lch(33.67, 37.03, 280.45)

OKLCH

oklch(43%, 0.1061, 258.26)

HWB

hwb(215.9, 15.7%, 46.3%)

Harmony colors

Complementary

#896228

Analogous

#287f89

#284f89

#322889

Triadic

#284f89

#89284f

#4f8928

Split-complementary

#284f89

#893228

#7f8928

Tetradic

#284f89

#622889

#896228

#4f8928

Square

#284f89

#89287f

#896228

#288932

Shades

Color #284f89 mixed toward black.

#214272

#1b355b

#142744

#0d1a2e

#070d17

Tints

Color #284f89 mixed toward white.

#3568b4

#5384cd

#7ea3d9

#a9c2e6

#d4e0f2

Tones

Color #284f89 mixed toward gray.

#305181

#385279

#405471

#485569

#505761

Accessibility

Aa White text on this color

8.17:1

Aa Black text on this color

2.57:1

White text reads better on this background (8.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3d7e · ΔE 9.1

Deuteranopia

#3a377b · ΔE 10.7

Tritanopia

#2b7472 · ΔE 26.2

Achromatopsia

#4f4f4f · ΔE 20.3

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

Code

CSS

background-color: #284f89;

Tailwind (arbitrary value)

bg-[#284f89]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#284f89 (#284f89) is rgb(40, 79, 137) in RGB.

No, #284f89 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 #284f89, or check how it holds up for accessibility.

Generate a palette → Check contrast