#285ef3

Color #285ef3

A vivid, highly saturated medium blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 15.75 Nearest Tailwind class blue-600 #155dfc · ΔE 1

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

Conversions

HEX

#285ef3

RGB

rgb(40, 94, 243)

HSL

hsl(224, 89.4%, 55.5%)

HSV / HSB

hsv(224, 83.5%, 95.3%)

CMYK

cmyk(83.5%, 61.3%, 0%, 4.7%)

LAB

lab(45.53, 37.29, -79.18)

LCH

lch(45.53, 87.52, 295.22)

OKLCH

oklch(54.4%, 0.2304, 264.47)

HWB

hwb(224, 15.7%, 4.7%)

Harmony colors

Complementary

#f3bd28

Analogous

#28c4f3

#285ef3

#5728f3

Triadic

#285ef3

#f3285e

#5ef328

Split-complementary

#285ef3

#f35728

#c4f328

Tetradic

#285ef3

#bd28f3

#f3bd28

#5ef328

Square

#285ef3

#f328c4

#f3bd28

#28f357

Shades

Color #285ef3 mixed toward black.

#0d45df

#0a37b3

#082986

#051b59

#030e2d

Tints

Color #285ef3 mixed toward white.

#4c79f5

#7094f7

#94aff9

#b7c9fb

#dbe4fd

Tones

Color #285ef3 mixed toward gray.

#3966e2

#4a6ed1

#5b76c0

#6c7eaf

#7d869e

Accessibility

Aa White text on this color

5.27:1

Aa Black text on this color

3.99:1

White text reads better on this background (5.27:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4646db · ΔE 8.3

Deuteranopia

#423ed4 · ΔE 10.5

Tritanopia

#2dc5bf · ΔE 44.5

Achromatopsia

#6c6c6c · ΔE 29.5

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

Code

CSS

background-color: #285ef3;

Tailwind (arbitrary value)

bg-[#285ef3]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#285ef3 (#285ef3) is rgb(40, 94, 243) in RGB.

No, #285ef3 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #285ef3, or check how it holds up for accessibility.

Generate a palette → Check contrast