#0a191b

Color #0a191b

A moderately saturated very dark cyan.

Closest named color Black #000000 · ΔE 9.8 Nearest Tailwind class mist-900 #161b1d · ΔE 4.4

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Conversions

HEX

#0a191b

RGB

rgb(10, 25, 27)

HSL

hsl(187.1, 45.9%, 7.3%)

HSV / HSB

hsv(187.1, 63%, 10.6%)

CMYK

cmyk(63%, 7.4%, 0%, 89.4%)

LAB

lab(7.58, -5.19, -3.4)

LCH

lch(7.58, 6.2, 213.23)

OKLCH

oklch(20.1%, 0.0209, 206.69)

HWB

hwb(187.1, 3.9%, 89.4%)

Harmony colors

Complementary

#1b0c0a

Analogous

#0a1b15

#0a191b

#0a111b

Triadic

#0a191b

#1b0a19

#191b0a

Split-complementary

#0a191b

#1b0a11

#1b150a

Tetradic

#0a191b

#0c0a1b

#1b0c0a

#191b0a

Square

#0a191b

#150a1b

#1b0c0a

#111b0a

Shades

Color #0a191b mixed toward black.

#081517

#071112

#050d0e

#030809

#020405

Tints

Color #0a191b mixed toward white.

#1f4e55

#35848e

#53b2bf

#8cccd4

#c6e5ea

Tones

Color #0a191b mixed toward gray.

#0b181a

#0d1718

#0e1617

#101515

#111414

Accessibility

Aa White text on this color

17.98:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.98:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12121b · ΔE 10

Deuteranopia

#11101a · ΔE 10.7

Tritanopia

#0b1a1a · ΔE 1.6

Achromatopsia

#171717 · ΔE 7.1

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

Code

CSS

background-color: #0a191b;

Tailwind (arbitrary value)

bg-[#0a191b]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#0a191b (#0a191b) is rgb(10, 25, 27) in RGB.

No, #0a191b 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 #0a191b, or check how it holds up for accessibility.

Generate a palette → Check contrast