#1b0f3f

Color #1b0f3f

A moderately saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 24.87 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 3.8

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

Conversions

HEX

#1b0f3f

RGB

rgb(27, 15, 63)

HSL

hsl(255, 61.5%, 15.3%)

HSV / HSB

hsv(255, 76.2%, 24.7%)

CMYK

cmyk(57.1%, 76.2%, 0%, 75.3%)

LAB

lab(8.42, 20.69, -28.55)

LCH

lch(8.42, 35.26, 305.93)

OKLCH

oklch(22%, 0.0865, 288.69)

HWB

hwb(255, 5.9%, 75.3%)

Harmony colors

Complementary

#333f0f

Analogous

#0f1b3f

#1b0f3f

#330f3f

Triadic

#1b0f3f

#3f1b0f

#0f3f1b

Split-complementary

#1b0f3f

#3f330f

#1b3f0f

Tetradic

#1b0f3f

#3f0f33

#333f0f

#0f3f1b

Square

#1b0f3f

#3f0f1b

#333f0f

#0f3f33

Shades

Color #1b0f3f mixed toward black.

#170d35

#120a2a

#0e0820

#090515

#05030b

Tints

Color #1b0f3f mixed toward white.

#341d79

#4d2bb3

#7251d5

#a18be3

#d0c5f1

Tones

Color #1b0f3f mixed toward gray.

#1d133b

#1f1737

#211b33

#231f2f

#25232b

Accessibility

Aa White text on this color

17.7:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.7:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161637 · ΔE 5.2

Deuteranopia

#171835 · ΔE 6.7

Tritanopia

#1b312f · ΔE 25.3

Achromatopsia

#181818 · ΔE 21.1

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

Code

CSS

background-color: #1b0f3f;

Tailwind (arbitrary value)

bg-[#1b0f3f]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#1b0f3f (#1b0f3f) is rgb(27, 15, 63) in RGB.

No, #1b0f3f 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 #1b0f3f, or check how it holds up for accessibility.

Generate a palette → Check contrast