#030b1f

Color #030b1f

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 13.71 Nearest Tailwind class slate-950 #020618 · ΔE 2.5

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Conversions

HEX

#030b1f

RGB

rgb(3, 11, 31)

HSL

hsl(222.9, 82.4%, 6.7%)

HSV / HSB

hsv(222.9, 90.3%, 12.2%)

CMYK

cmyk(90.3%, 64.5%, 0%, 87.8%)

LAB

lab(3.23, 2.65, -13.06)

LCH

lch(3.23, 13.33, 281.47)

OKLCH

oklch(15.4%, 0.0454, 261.89)

HWB

hwb(222.9, 1.2%, 87.8%)

Harmony colors

Complementary

#1f1703

Analogous

#03191f

#030b1f

#09031f

Triadic

#030b1f

#1f030b

#0b1f03

Split-complementary

#030b1f

#1f0903

#191f03

Tetradic

#030b1f

#17031f

#1f1703

#0b1f03

Square

#030b1f

#1f0319

#1f1703

#031f09

Shades

Color #030b1f mixed toward black.

#03091a

#020715

#020610

#01040a

#010205

Tints

Color #030b1f mixed toward white.

#0a2567

#113eb0

#265eea

#6e94f1

#b7c9f8

Tones

Color #030b1f mixed toward gray.

#050c1d

#080d1a

#0a0e18

#0c0f16

#0f1013

Accessibility

Aa White text on this color

19.6:1

Aa Black text on this color

1.07:1

White text reads better on this background (19.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#06071b · ΔE 2.4

Deuteranopia

#06051a · ΔE 3.1

Tritanopia

#031817 · ΔE 14.5

Achromatopsia

#0c0c0c · ΔE 10.4

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

Code

CSS

background-color: #030b1f;

Tailwind (arbitrary value)

bg-[#030b1f]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#030b1f (#030b1f) is rgb(3, 11, 31) in RGB.

No, #030b1f 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 #030b1f, or check how it holds up for accessibility.

Generate a palette → Check contrast