#645a59

Color #645a59

A nearly neutral, gray-leaning dark red.

Closest named color Dim Gray #696969 · ΔE 6.84 Nearest Tailwind class taupe-600 #5b4f4b · ΔE 4.2

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

Conversions

HEX

#645a59

RGB

rgb(100, 90, 89)

HSL

hsl(5.5, 5.8%, 37.1%)

HSV / HSB

hsv(5.5, 11%, 39.2%)

CMYK

cmyk(0%, 10%, 11%, 60.8%)

LAB

lab(39.14, 3.85, 2.05)

LCH

lch(39.14, 4.36, 28.03)

OKLCH

oklch(47.7%, 0.0132, 24.23)

HWB

hwb(5.5, 34.9%, 60.8%)

Harmony colors

Complementary

#596364

Analogous

#64595e

#645a59

#646059

Triadic

#645a59

#59645a

#5a5964

Split-complementary

#645a59

#596460

#595e64

Tetradic

#645a59

#636459

#596364

#5a5964

Square

#645a59

#5e6459

#596364

#605964

Shades

Color #645a59 mixed toward black.

#534b4a

#433c3b

#322d2d

#211e1e

#110f0f

Tints

Color #645a59 mixed toward white.

#807472

#9a8f8e

#b3abaa

#cdc7c6

#e6e3e3

Tones

Color #645a59 mixed toward gray.

#635b5a

#625c5b

#615c5c

#605d5d

#605e5e

Accessibility

Aa White text on this color

6.67:1

Aa Black text on this color

3.15:1

White text reads better on this background (6.67:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#606059 · ΔE 7.8

Deuteranopia

#606159 · ΔE 8.8

Tritanopia

#645959 · ΔE 0.9

Achromatopsia

#5c5c5c · ΔE 5.4

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

Code

CSS

background-color: #645a59;

Tailwind (arbitrary value)

bg-[#645a59]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#645a59 (#645a59) is rgb(100, 90, 89) in RGB.

No, #645a59 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 #645a59, or check how it holds up for accessibility.

Generate a palette → Check contrast