#0c0b17

Color #0c0b17

A muted very dark blue.

Closest named color Black #000000 · ΔE 7.75 Nearest Tailwind class slate-950 #020618 · ΔE 2.7

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Conversions

HEX

#0c0b17

RGB

rgb(12, 11, 23)

HSL

hsl(245, 35.3%, 6.7%)

HSV / HSB

hsv(245, 52.2%, 9%)

CMYK

cmyk(47.8%, 52.2%, 0%, 91%)

LAB

lab(3.43, 2.68, -6.41)

LCH

lch(3.43, 6.95, 292.69)

OKLCH

oklch(15.8%, 0.0252, 287.07)

HWB

hwb(245, 4.3%, 91%)

Harmony colors

Complementary

#16170b

Analogous

#0b1017

#0c0b17

#120b17

Triadic

#0c0b17

#170c0b

#0b170c

Split-complementary

#0c0b17

#17120b

#10170b

Tetradic

#0c0b17

#170b16

#16170b

#0b170c

Square

#0c0b17

#170b10

#16170b

#0b1712

Shades

Color #0c0b17 mixed toward black.

#0a0913

#08070f

#06060c

#040408

#020204

Tints

Color #0c0b17 mixed toward white.

#28254d

#443e82

#655eb2

#9894cc

#ccc9e5

Tones

Color #0c0b17 mixed toward gray.

#0d0c16

#0e0d15

#0f0e14

#0f0f13

#101012

Accessibility

Aa White text on this color

19.52:1

Aa Black text on this color

1.08:1

White text reads better on this background (19.52:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0c0c15 · ΔE 1.7

Deuteranopia

#0c0c14 · ΔE 2.2

Tritanopia

#0c1312 · ΔE 8.9

Achromatopsia

#0c0c0c · ΔE 6.5

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

Code

CSS

background-color: #0c0b17;

Tailwind (arbitrary value)

bg-[#0c0b17]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#0c0b17 (#0c0b17) is rgb(12, 11, 23) in RGB.

No, #0c0b17 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 #0c0b17, or check how it holds up for accessibility.

Generate a palette → Check contrast