#3b4a58

Color #3b4a58

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 3.43 Nearest Tailwind class gray-700 #364153 · ΔE 4.5

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Conversions

HEX

#3b4a58

RGB

rgb(59, 74, 88)

HSL

hsl(209, 19.7%, 28.8%)

HSV / HSB

hsv(209, 33%, 34.5%)

CMYK

cmyk(33%, 15.9%, 0%, 65.5%)

LAB

lab(30.72, -2.13, -10.21)

LCH

lch(30.72, 10.43, 258.22)

OKLCH

oklch(40.2%, 0.0305, 246.8)

HWB

hwb(209, 23.1%, 65.5%)

Harmony colors

Complementary

#58493b

Analogous

#3b5857

#3b4a58

#3b3b58

Triadic

#3b4a58

#583b4a

#4a583b

Split-complementary

#3b4a58

#583b3b

#58573b

Tetradic

#3b4a58

#493b58

#58493b

#4a583b

Square

#3b4a58

#573b58

#58493b

#3b583b

Shades

Color #3b4a58 mixed toward black.

#313e49

#27313b

#1d252c

#14191d

#0a0c0f

Tints

Color #3b4a58 mixed toward white.

#53687c

#6e879e

#92a5b6

#b7c3ce

#dbe1e7

Tones

Color #3b4a58 mixed toward gray.

#3d4a55

#404a53

#424a51

#454a4e

#474a4c

Accessibility

Aa White text on this color

9.11:1

Aa Black text on this color

2.31:1

White text reads better on this background (9.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#424255 · ΔE 9.1

Deuteranopia

#414054 · ΔE 10

Tritanopia

#3c5252 · ΔE 9.6

Achromatopsia

#484848 · ΔE 8.6

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

Code

CSS

background-color: #3b4a58;

Tailwind (arbitrary value)

bg-[#3b4a58]

Related colors

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Slate Gray #778899

Slate Gray #708090

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#3b4a58 (#3b4a58) is rgb(59, 74, 88) in RGB.

No, #3b4a58 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 #3b4a58, or check how it holds up for accessibility.

Generate a palette → Check contrast