#878caa

Color #878caa

A muted medium blue.

Closest named color Light Slate Gray #778899 · ΔE 9.23 Nearest Tailwind class slate-400 #90a1b9 · ΔE 8.7

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

Conversions

HEX

#878caa

RGB

rgb(135, 140, 170)

HSL

hsl(231.4, 17.1%, 59.8%)

HSV / HSB

hsv(231.4, 20.6%, 66.7%)

CMYK

cmyk(20.6%, 17.6%, 0%, 33.3%)

LAB

lab(58.8, 4.75, -16.39)

LCH

lch(58.8, 17.06, 286.16)

OKLCH

oklch(64.6%, 0.0451, 277.65)

HWB

hwb(231.4, 52.9%, 33.3%)

Harmony colors

Complementary

#aaa587

Analogous

#879eaa

#878caa

#9387aa

Triadic

#878caa

#aa878c

#8caa87

Split-complementary

#878caa

#aa9387

#9eaa87

Tetradic

#878caa

#a587aa

#aaa587

#8caa87

Square

#878caa

#aa879e

#aaa587

#87aa93

Shades

Color #878caa mixed toward black.

#697095

#545977

#3f4359

#2a2d3c

#15161e

Tints

Color #878caa mixed toward white.

#9b9fb8

#afb2c6

#c3c5d5

#d7d9e3

#ebecf1

Tones

Color #878caa mixed toward gray.

#8a8ea7

#8d90a4

#9092a1

#93949e

#96969b

Accessibility

Aa White text on this color

3.3:1

Aa Black text on this color

6.36:1

Black 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

#8989a3 · ΔE 2.5

Deuteranopia

#8989a2 · ΔE 2.6

Tritanopia

#879e9d · ΔE 17.8

Achromatopsia

#8d8d8d · ΔE 12.7

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

Code

CSS

background-color: #878caa;

Tailwind (arbitrary value)

bg-[#878caa]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#878caa (#878caa) is rgb(135, 140, 170) in RGB.

No, #878caa 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 #878caa, or check how it holds up for accessibility.

Generate a palette → Check contrast