#0a1f43

Color #0a1f43

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 25.7 Nearest Tailwind class blue-950 #162456 · ΔE 4

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

Conversions

HEX

#0a1f43

RGB

rgb(10, 31, 67)

HSL

hsl(217.9, 74%, 15.1%)

HSV / HSB

hsv(217.9, 85.1%, 26.3%)

CMYK

cmyk(85.1%, 53.7%, 0%, 73.7%)

LAB

lab(12.28, 6.97, -25.18)

LCH

lch(12.28, 26.13, 285.47)

OKLCH

oklch(24.6%, 0.0733, 260.42)

HWB

hwb(217.9, 3.9%, 73.7%)

Harmony colors

Complementary

#432e0a

Analogous

#0a3b43

#0a1f43

#120a43

Triadic

#0a1f43

#430a1f

#1f430a

Split-complementary

#0a1f43

#43120a

#3b430a

Tetradic

#0a1f43

#2e0a43

#432e0a

#1f430a

Square

#0a1f43

#430a3b

#432e0a

#0a4312

Shades

Color #0a1f43 mixed toward black.

#081a38

#07152d

#051021

#030a16

#02050b

Tints

Color #0a1f43 mixed toward white.

#133c82

#1d59c1

#437ee3

#81a9ec

#c0d4f6

Tones

Color #0a1f43 mixed toward gray.

#0f203e

#14223a

#182335

#1d2430

#22252b

Accessibility

Aa White text on this color

16.28:1

Aa Black text on this color

1.29:1

White text reads better on this background (16.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#15153c · ΔE 5.8

Deuteranopia

#14123b · ΔE 6.7

Tritanopia

#0c3735 · ΔE 23.3

Achromatopsia

#202020 · ΔE 16.8

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

Code

CSS

background-color: #0a1f43;

Tailwind (arbitrary value)

bg-[#0a1f43]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0a1f43 (#0a1f43) is rgb(10, 31, 67) in RGB.

No, #0a1f43 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 #0a1f43, or check how it holds up for accessibility.

Generate a palette → Check contrast