#3983ab

Color #3983ab

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 7.35 Nearest Tailwind class sky-600 #0084d1 · ΔE 6.1

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

Conversions

HEX

#3983ab

RGB

rgb(57, 131, 171)

HSL

hsl(201.1, 50%, 44.7%)

HSV / HSB

hsv(201.1, 66.7%, 67.1%)

CMYK

cmyk(66.7%, 23.4%, 0%, 32.9%)

LAB

lab(51.88, -10.05, -27.95)

LCH

lch(51.88, 29.7, 250.22)

OKLCH

oklch(58.1%, 0.0953, 235.43)

HWB

hwb(201.1, 22.4%, 32.9%)

Harmony colors

Complementary

#ab6139

Analogous

#39ab9a

#3983ab

#394aab

Triadic

#3983ab

#ab3983

#83ab39

Split-complementary

#3983ab

#ab394a

#ab9a39

Tetradic

#3983ab

#6139ab

#ab6139

#83ab39

Square

#3983ab

#9a39ab

#ab6139

#4aab39

Shades

Color #3983ab mixed toward black.

#2f6d8e

#265772

#1c4155

#132c39

#09161c

Tints

Color #3983ab mixed toward white.

#4f9bc4

#72afd0

#95c3dc

#b8d7e7

#dcebf3

Tones

Color #3983ab mixed toward gray.

#4280a1

#4c7d98

#557a8e

#5f7885

#68757b

Accessibility

Aa White text on this color

4.19:1

Aa Black text on this color

5.01:1

Black text reads better on this background (5.01:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6262a2 · ΔE 19

Deuteranopia

#5d58a0 · ΔE 21.1

Tritanopia

#3f9b9a · ΔE 17.8

Achromatopsia

#7c7c7c · ΔE 18.4

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

Code

CSS

background-color: #3983ab;

Tailwind (arbitrary value)

bg-[#3983ab]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Steel Blue #4682b4

Light Blue #add8e6

Frequently asked questions

#3983ab (#3983ab) is rgb(57, 131, 171) in RGB.

No, #3983ab 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 #3983ab, or check how it holds up for accessibility.

Generate a palette → Check contrast