#3b6380

Color #3b6380

A muted dark blue.

Closest named color Slate Gray #708090 · ΔE 16.32 Nearest Tailwind class sky-800 #00598a · ΔE 6

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Conversions

HEX

#3b6380

RGB

rgb(59, 99, 128)

HSL

hsl(205.2, 36.9%, 36.7%)

HSV / HSB

hsv(205.2, 53.9%, 50.2%)

CMYK

cmyk(53.9%, 22.7%, 0%, 49.8%)

LAB

lab(40.26, -5.22, -20.5)

LCH

lch(40.26, 21.15, 255.71)

OKLCH

oklch(48.3%, 0.0652, 241.39)

HWB

hwb(205.2, 23.1%, 49.8%)

Harmony colors

Complementary

#80583b

Analogous

#3b807b

#3b6380

#3b4180

Triadic

#3b6380

#803b63

#63803b

Split-complementary

#3b6380

#803b41

#807b3b

Tetradic

#3b6380

#583b80

#80583b

#63803b

Square

#3b6380

#7b3b80

#80583b

#41803b

Shades

Color #3b6380 mixed toward black.

#31536b

#274255

#1e3240

#14212b

#0a1115

Tints

Color #3b6380 mixed toward white.

#4c80a5

#6c9abb

#91b3cc

#b5ccdd

#dae6ee

Tones

Color #3b6380 mixed toward gray.

#41627a

#476175

#4c606f

#525f69

#585f63

Accessibility

Aa White text on this color

6.4:1

Aa Black text on this color

3.28:1

White text reads better on this background (6.4:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4f507a · ΔE 14.2

Deuteranopia

#4d4a78 · ΔE 15.4

Tritanopia

#3e7573 · ΔE 16.4

Achromatopsia

#5f5f5f · ΔE 14.7

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

Code

CSS

background-color: #3b6380;

Tailwind (arbitrary value)

bg-[#3b6380]

Related colors

Charcoal #36454f

Steel Blue #4682b4

Light Sky Blue #87cefa

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#3b6380 (#3b6380) is rgb(59, 99, 128) in RGB.

No, #3b6380 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 #3b6380, or check how it holds up for accessibility.

Generate a palette → Check contrast