#154243

Color #154243

A moderately saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 6.96 Nearest Tailwind class teal-900 #0b4f4a · ΔE 5.9

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

Conversions

HEX

#154243

RGB

rgb(21, 66, 67)

HSL

hsl(181.3, 52.3%, 17.3%)

HSV / HSB

hsv(181.3, 68.7%, 26.3%)

CMYK

cmyk(68.7%, 1.5%, 0%, 73.7%)

LAB

lab(25.14, -14.7, -5.17)

LCH

lch(25.14, 15.58, 199.38)

OKLCH

oklch(34.9%, 0.0484, 197.2)

HWB

hwb(181.3, 8.2%, 73.7%)

Harmony colors

Complementary

#431615

Analogous

#15432d

#154243

#152b43

Triadic

#154243

#431542

#424315

Split-complementary

#154243

#43152b

#432d15

Tetradic

#154243

#161543

#431615

#424315

Square

#154243

#2d1543

#431615

#2b4315

Shades

Color #154243 mixed toward black.

#123738

#0e2c2d

#0b2122

#071616

#040b0b

Tints

Color #154243 mixed toward white.

#267779

#37acae

#5ecacd

#94dcdd

#c9edee

Tones

Color #154243 mixed toward gray.

#193f3f

#1d3b3b

#213738

#243334

#283030

Accessibility

Aa White text on this color

11.1:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2f43 · ΔE 21.3

Deuteranopia

#2c2843 · ΔE 25

Tritanopia

#194343 · ΔE 0.7

Achromatopsia

#3c3c3c · ΔE 15

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

Code

CSS

background-color: #154243;

Tailwind (arbitrary value)

bg-[#154243]

Related colors

Dark Turquoise #00ced1

Cadet Blue #5f9ea0

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#154243 (#154243) is rgb(21, 66, 67) in RGB.

No, #154243 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.

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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 #154243, or check how it holds up for accessibility.

Generate a palette → Check contrast