#2d4f57

Color #2d4f57

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 5.18 Nearest Tailwind class cyan-900 #104e64 · ΔE 6

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

Conversions

HEX

#2d4f57

RGB

rgb(45, 79, 87)

HSL

hsl(191.4, 31.8%, 25.9%)

HSV / HSB

hsv(191.4, 48.3%, 34.1%)

CMYK

cmyk(48.3%, 9.2%, 0%, 65.9%)

LAB

lab(31.43, -9.92, -8.57)

LCH

lch(31.43, 13.11, 220.82)

OKLCH

oklch(40.5%, 0.0417, 214.45)

HWB

hwb(191.4, 17.6%, 65.9%)

Harmony colors

Complementary

#57352d

Analogous

#2d574a

#2d4f57

#2d3a57

Triadic

#2d4f57

#572d4f

#4f572d

Split-complementary

#2d4f57

#572d3a

#574a2d

Tetradic

#2d4f57

#352d57

#57352d

#4f572d

Square

#2d4f57

#4a2d57

#57352d

#3a572d

Shades

Color #2d4f57 mixed toward black.

#264249

#1e353a

#17282c

#0f1a1d

#080d0f

Tints

Color #2d4f57 mixed toward white.

#437581

#599aa9

#82b3bf

#acccd4

#d5e6ea

Tones

Color #2d4f57 mixed toward gray.

#314d54

#344b50

#38494d

#3b4649

#3f4446

Accessibility

Aa White text on this color

8.87:1

Aa Black text on this color

2.37:1

White text reads better on this background (8.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3f55 · ΔE 17.6

Deuteranopia

#3c3a55 · ΔE 20.2

Tritanopia

#2f5453 · ΔE 5.5

Achromatopsia

#4a4a4a · ΔE 12.4

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

Code

CSS

background-color: #2d4f57;

Tailwind (arbitrary value)

bg-[#2d4f57]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#2d4f57 (#2d4f57) is rgb(45, 79, 87) in RGB.

No, #2d4f57 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 #2d4f57, or check how it holds up for accessibility.

Generate a palette → Check contrast