#646879

Color #646879

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 9.72 Nearest Tailwind class gray-500 #6a7282 · ΔE 4.2

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

Conversions

HEX

#646879

RGB

rgb(100, 104, 121)

HSL

hsl(228.6, 9.5%, 43.3%)

HSV / HSB

hsv(228.6, 17.4%, 47.5%)

CMYK

cmyk(17.4%, 14%, 0%, 52.5%)

LAB

lab(44.22, 2.31, -9.99)

LCH

lch(44.22, 10.25, 283.02)

OKLCH

oklch(52%, 0.0272, 275.06)

HWB

hwb(228.6, 39.2%, 52.5%)

Harmony colors

Complementary

#797564

Analogous

#647279

#646879

#6a6479

Triadic

#646879

#796468

#687964

Split-complementary

#646879

#796a64

#727964

Tetradic

#646879

#756479

#797564

#687964

Square

#646879

#796472

#797564

#64796a

Shades

Color #646879 mixed toward black.

#535765

#434551

#32343c

#212328

#111114

Tints

Color #646879 mixed toward white.

#7b7f92

#9599a8

#b0b2be

#caccd3

#e5e5e9

Tones

Color #646879 mixed toward gray.

#666977

#676a75

#696b74

#6b6c72

#6d6d70

Accessibility

Aa White text on this color

5.53:1

Aa Black text on this color

3.8:1

White text reads better on this background (5.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#666675 · ΔE 2

Deuteranopia

#666574 · ΔE 2.6

Tritanopia

#647271 · ΔE 12.1

Achromatopsia

#696969 · ΔE 8.5

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

Code

CSS

background-color: #646879;

Tailwind (arbitrary value)

bg-[#646879]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#646879 (#646879) is rgb(100, 104, 121) in RGB.

No, #646879 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 #646879, or check how it holds up for accessibility.

Generate a palette → Check contrast