#818aa5

Color #818aa5

A muted medium blue.

Closest named color Light Slate Gray #778899 · ΔE 6.78 Nearest Tailwind class slate-400 #90a1b9 · ΔE 8.1

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

Conversions

HEX

#818aa5

RGB

rgb(129, 138, 165)

HSL

hsl(225, 16.7%, 57.6%)

HSV / HSB

hsv(225, 21.8%, 64.7%)

CMYK

cmyk(21.8%, 16.4%, 0%, 35.3%)

LAB

lab(57.62, 2.75, -15.36)

LCH

lch(57.62, 15.6, 280.15)

OKLCH

oklch(63.6%, 0.0419, 270.68)

HWB

hwb(225, 50.6%, 35.3%)

Harmony colors

Complementary

#a59c81

Analogous

#819ca5

#818aa5

#8a81a5

Triadic

#818aa5

#a5818a

#8aa581

Split-complementary

#818aa5

#a58a81

#9ca581

Tetradic

#818aa5

#9c81a5

#a59c81

#8aa581

Square

#818aa5

#a5819c

#a59c81

#81a58a

Shades

Color #818aa5 mixed toward black.

#66708f

#525a72

#3d4356

#292d39

#14161d

Tints

Color #818aa5 mixed toward white.

#969db4

#abb1c3

#c0c4d2

#d5d8e1

#eaebf0

Tones

Color #818aa5 mixed toward gray.

#848ba2

#878d9f

#8a8e9c

#8d9099

#909196

Accessibility

Aa White text on this color

3.44:1

Aa Black text on this color

6.11:1

Black text reads better on this background (6.11:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#85859f · ΔE 4.1

Deuteranopia

#84849e · ΔE 4.2

Tritanopia

#819a99 · ΔE 16.3

Achromatopsia

#8a8a8a · ΔE 11.7

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

Code

CSS

background-color: #818aa5;

Tailwind (arbitrary value)

bg-[#818aa5]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#818aa5 (#818aa5) is rgb(129, 138, 165) in RGB.

No, #818aa5 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 #818aa5, or check how it holds up for accessibility.

Generate a palette → Check contrast