#153b3c

Color #153b3c

A moderately saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.05 Nearest Tailwind class teal-950 #022f2e · ΔE 4.2

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

Conversions

HEX

#153b3c

RGB

rgb(21, 59, 60)

HSL

hsl(181.5, 48.1%, 15.9%)

HSV / HSB

hsv(181.5, 65%, 23.5%)

CMYK

cmyk(65%, 1.7%, 0%, 76.5%)

LAB

lab(22.35, -12.96, -4.68)

LCH

lch(22.35, 13.78, 199.86)

OKLCH

oklch(32.6%, 0.0427, 197.59)

HWB

hwb(181.5, 8.2%, 76.5%)

Harmony colors

Complementary

#3c1615

Analogous

#153c2a

#153b3c

#15283c

Triadic

#153b3c

#3c153b

#3b3c15

Split-complementary

#153b3c

#3c1528

#3c2a15

Tetradic

#153b3c

#16153c

#3c1615

#3b3c15

Square

#153b3c

#2a153c

#3c1615

#283c15

Shades

Color #153b3c mixed toward black.

#123132

#0e2728

#0b1e1e

#071414

#040a0a

Tints

Color #153b3c mixed toward white.

#286f71

#3aa3a6

#60c5c7

#95d8da

#caecec

Tones

Color #153b3c mixed toward gray.

#183839

#1c3536

#1f3232

#222f2f

#252c2c

Accessibility

Aa White text on this color

12.19:1

Aa Black text on this color

1.72:1

White text reads better on this background (12.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a3c · ΔE 20.1

Deuteranopia

#28253c · ΔE 23

Tritanopia

#183c3c · ΔE 0.7

Achromatopsia

#353535 · ΔE 13.8

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

Code

CSS

background-color: #153b3c;

Tailwind (arbitrary value)

bg-[#153b3c]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#153b3c (#153b3c) is rgb(21, 59, 60) in RGB.

No, #153b3c 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #153b3c, or check how it holds up for accessibility.

Generate a palette → Check contrast