#555f7a

Color #555f7a

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 14.63 Nearest Tailwind class slate-600 #45556c · ΔE 5.3

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

Conversions

HEX

#555f7a

RGB

rgb(85, 95, 122)

HSL

hsl(223.8, 17.9%, 40.6%)

HSV / HSB

hsv(223.8, 30.3%, 47.8%)

CMYK

cmyk(30.3%, 22.1%, 0%, 52.2%)

LAB

lab(40.44, 2.93, -16.44)

LCH

lch(40.44, 16.7, 280.11)

OKLCH

oklch(48.8%, 0.0453, 268.86)

HWB

hwb(223.8, 33.3%, 52.2%)

Harmony colors

Complementary

#7a7055

Analogous

#55727a

#555f7a

#5e557a

Triadic

#555f7a

#7a555f

#5f7a55

Split-complementary

#555f7a

#7a5e55

#727a55

Tetradic

#555f7a

#70557a

#7a7055

#5f7a55

Square

#555f7a

#7a5572

#7a7055

#557a5e

Shades

Color #555f7a mixed toward black.

#474f66

#393f51

#2a303d

#1c2029

#0e1014

Tints

Color #555f7a mixed toward white.

#6a7697

#8892ac

#a6adc1

#c3c8d6

#e1e4ea

Tones

Color #555f7a mixed toward gray.

#586077

#5b6274

#5e6371

#61656e

#64666b

Accessibility

Aa White text on this color

6.36:1

Aa Black text on this color

3.3:1

White text reads better on this background (6.36:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#595a74 · ΔE 4.1

Deuteranopia

#595873 · ΔE 5.1

Tritanopia

#566f6e · ΔE 17

Achromatopsia

#5f5f5f · ΔE 12.3

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

Code

CSS

background-color: #555f7a;

Tailwind (arbitrary value)

bg-[#555f7a]

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

#555f7a (#555f7a) is rgb(85, 95, 122) in RGB.

No, #555f7a 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.

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 #555f7a, or check how it holds up for accessibility.

Generate a palette → Check contrast