#555a78

Color #555a78

A muted medium blue.

Closest named color Charcoal #36454f · ΔE 16.72 Nearest Tailwind class slate-600 #45556c · ΔE 6.7

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Conversions

HEX

#555a78

RGB

rgb(85, 90, 120)

HSL

hsl(231.4, 17.1%, 40.2%)

HSV / HSB

hsv(231.4, 29.2%, 47.1%)

CMYK

cmyk(29.2%, 25%, 0%, 52.9%)

LAB

lab(38.9, 5.49, -17.59)

LCH

lch(38.9, 18.43, 287.33)

OKLCH

oklch(47.5%, 0.0489, 277.05)

HWB

hwb(231.4, 33.3%, 52.9%)

Harmony colors

Complementary

#787355

Analogous

#556c78

#555a78

#615578

Triadic

#555a78

#78555a

#5a7855

Split-complementary

#555a78

#786155

#6c7855

Tetradic

#555a78

#735578

#787355

#5a7855

Square

#555a78

#78556c

#787355

#557861

Shades

Color #555a78 mixed toward black.

#474b64

#393c50

#2a2d3c

#1c1e28

#0e0f14

Tints

Color #555a78 mixed toward white.

#6a7096

#888dab

#a6a9c0

#c3c6d5

#e1e2ea

Tones

Color #555a78 mixed toward gray.

#585c75

#5b5e72

#5e606f

#61626c

#646469

Accessibility

Aa White text on this color

6.73:1

Aa Black text on this color

3.12:1

White text reads better on this background (6.73:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#575772 · ΔE 2.4

Deuteranopia

#575770 · ΔE 2.7

Tritanopia

#556c6b · ΔE 18.9

Achromatopsia

#5c5c5c · ΔE 13.5

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

Code

CSS

background-color: #555a78;

Tailwind (arbitrary value)

bg-[#555a78]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#555a78 (#555a78) is rgb(85, 90, 120) in RGB.

No, #555a78 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 #555a78, or check how it holds up for accessibility.

Generate a palette → Check contrast