#1b0f73

Color #1b0f73

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 8.03 Nearest Tailwind class violet-950 #2f0d68 · ΔE 3.6

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

Conversions

HEX

#1b0f73

RGB

rgb(27, 15, 115)

HSL

hsl(247.2, 76.9%, 25.5%)

HSV / HSB

hsv(247.2, 87%, 45.1%)

CMYK

cmyk(76.5%, 87%, 0%, 54.9%)

LAB

lab(14.47, 38.38, -53.82)

LCH

lch(14.47, 66.1, 305.49)

OKLCH

oklch(28%, 0.1562, 274.81)

HWB

hwb(247.2, 5.9%, 54.9%)

Harmony colors

Complementary

#67730f

Analogous

#0f3573

#1b0f73

#4d0f73

Triadic

#1b0f73

#731b0f

#0f731b

Split-complementary

#1b0f73

#734d0f

#35730f

Tetradic

#1b0f73

#730f67

#67730f

#0f731b

Square

#1b0f73

#730f35

#67730f

#0f734d

Shades

Color #1b0f73 mixed toward black.

#170d60

#120a4d

#0e083a

#090526

#050313

Tints

Color #1b0f73 mixed toward white.

#2816ab

#361fe2

#6857e9

#9b8ff0

#cdc7f8

Tones

Color #1b0f73 mixed toward gray.

#21176b

#282062

#2e285a

#343052

#3b3949

Accessibility

Aa White text on this color

15.41:1

Aa Black text on this color

1.36:1

White text reads better on this background (15.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161665 · ΔE 3.3

Deuteranopia

#171862 · ΔE 4.2

Tritanopia

#1b5956 · ΔE 34.1

Achromatopsia

#252525 · ΔE 26.7

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

Code

CSS

background-color: #1b0f73;

Tailwind (arbitrary value)

bg-[#1b0f73]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1b0f73 (#1b0f73) is rgb(27, 15, 115) in RGB.

No, #1b0f73 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 #1b0f73, or check how it holds up for accessibility.

Generate a palette → Check contrast