#0a5457

Color #0a5457

A vivid, highly saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 8.77 Nearest Tailwind class teal-900 #0b4f4a · ΔE 4.3

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

Conversions

HEX

#0a5457

RGB

rgb(10, 84, 87)

HSL

hsl(182.3, 79.4%, 19%)

HSV / HSB

hsv(182.3, 88.5%, 34.1%)

CMYK

cmyk(88.5%, 3.4%, 0%, 65.9%)

LAB

lab(32.02, -19.44, -7.81)

LCH

lch(32.02, 20.95, 201.89)

OKLCH

oklch(40.7%, 0.0658, 199.26)

HWB

hwb(182.3, 3.9%, 65.9%)

Harmony colors

Complementary

#570d0a

Analogous

#0a5733

#0a5457

#0a2e57

Triadic

#0a5457

#570a54

#54570a

Split-complementary

#0a5457

#570a2e

#57330a

Tetradic

#0a5457

#0d0a57

#570d0a

#54570a

Square

#0a5457

#330a57

#570d0a

#2e570a

Shades

Color #0a5457 mixed toward black.

#084648

#07383a

#052a2b

#031c1d

#020e0e

Tints

Color #0a5457 mixed toward white.

#119095

#18cbd2

#46e3ea

#83edf1

#c1f6f8

Tones

Color #0a5457 mixed toward gray.

#104e51

#17484a

#1d4244

#243c3d

#2a3637

Accessibility

Aa White text on this color

8.68:1

Aa Black text on this color

2.42:1

White text reads better on this background (8.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383956 · ΔE 25.1

Deuteranopia

#352f56 · ΔE 27.9

Tritanopia

#155656 · ΔE 1.6

Achromatopsia

#4b4b4b · ΔE 17.8

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

Code

CSS

background-color: #0a5457;

Tailwind (arbitrary value)

bg-[#0a5457]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#0a5457 (#0a5457) is rgb(10, 84, 87) in RGB.

No, #0a5457 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 #0a5457, or check how it holds up for accessibility.

Generate a palette → Check contrast