#455757

Color #455757

A nearly neutral, gray-leaning dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 6.6 Nearest Tailwind class mist-600 #4b585b · ΔE 3.2

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

Conversions

HEX

#455757

RGB

rgb(69, 87, 87)

HSL

hsl(180, 11.5%, 30.6%)

HSV / HSB

hsv(180, 20.7%, 34.1%)

CMYK

cmyk(20.7%, 0%, 0%, 65.9%)

LAB

lab(35.54, -6.9, -2.3)

LCH

lch(35.54, 7.27, 198.43)

OKLCH

oklch(44.2%, 0.0222, 196.48)

HWB

hwb(180, 27.1%, 65.9%)

Harmony colors

Complementary

#574545

Analogous

#45574e

#455757

#454e57

Triadic

#455757

#574557

#575745

Split-complementary

#455757

#57454e

#574e45

Tetradic

#455757

#454557

#574545

#575745

Square

#455757

#4e4557

#574545

#4e5745

Shades

Color #455757 mixed toward black.

#3a4949

#2e3a3a

#232c2c

#171d1d

#0c0f0f

Tints

Color #455757 mixed toward white.

#5f7878

#7b9797

#9cb1b1

#bdcbcb

#dee5e5

Tones

Color #455757 mixed toward gray.

#475656

#485454

#4a5353

#4b5151

#4d5050

Accessibility

Aa White text on this color

7.63:1

Aa Black text on this color

2.75:1

White text reads better on this background (7.63:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4d4e57 · ΔE 11.1

Deuteranopia

#4c4b57 · ΔE 13.3

Tritanopia

#465757 · ΔE 0.4

Achromatopsia

#545454 · ΔE 8.6

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

Code

CSS

background-color: #455757;

Tailwind (arbitrary value)

bg-[#455757]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#455757 (#455757) is rgb(69, 87, 87) in RGB.

No, #455757 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 #455757, or check how it holds up for accessibility.

Generate a palette → Check contrast