#3a3758

Color #3a3758

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 17.93 Nearest Tailwind class mauve-700 #463947 · ΔE 8.6

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

Conversions

HEX

#3a3758

RGB

rgb(58, 55, 88)

HSL

hsl(245.5, 23.1%, 28%)

HSV / HSB

hsv(245.5, 37.5%, 34.5%)

CMYK

cmyk(34.1%, 37.5%, 0%, 65.5%)

LAB

lab(24.75, 10.07, -19.4)

LCH

lch(24.75, 21.86, 297.43)

OKLCH

oklch(35.5%, 0.0567, 287.35)

HWB

hwb(245.5, 21.6%, 65.5%)

Harmony colors

Complementary

#555837

Analogous

#374458

#3a3758

#4a3758

Triadic

#3a3758

#583a37

#37583a

Split-complementary

#3a3758

#584a37

#445837

Tetradic

#3a3758

#583755

#555837

#37583a

Square

#3a3758

#583744

#555837

#37584a

Shades

Color #3a3758 mixed toward black.

#302e49

#27253b

#1d1b2c

#13121d

#0a090f

Tints

Color #3a3758 mixed toward white.

#534e7e

#6e68a1

#928eb8

#b6b4d0

#dbd9e7

Tones

Color #3a3758 mixed toward gray.

#3c3a55

#3e3c52

#413f50

#43424d

#45454a

Accessibility

Aa White text on this color

11.25:1

Aa Black text on this color

1.87:1

White text reads better on this background (11.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#393951 · ΔE 3.7

Deuteranopia

#393950 · ΔE 4

Tritanopia

#3a4c4a · ΔE 21.6

Achromatopsia

#3b3b3b · ΔE 15.8

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

Code

CSS

background-color: #3a3758;

Tailwind (arbitrary value)

bg-[#3a3758]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#3a3758 (#3a3758) is rgb(58, 55, 88) in RGB.

No, #3a3758 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.

Try it →

Build something with this color

Generate a full palette from #3a3758, or check how it holds up for accessibility.

Generate a palette → Check contrast