#1d237b

Color #1d237b

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 4.31 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.3

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Conversions

HEX

#1d237b

RGB

rgb(29, 35, 123)

HSL

hsl(236.2, 61.8%, 29.8%)

HSV / HSB

hsv(236.2, 76.4%, 48.2%)

CMYK

cmyk(76.4%, 71.5%, 0%, 51.8%)

LAB

lab(19.61, 29.79, -50.46)

LCH

lch(19.61, 58.6, 300.56)

OKLCH

oklch(31.9%, 0.1461, 271.77)

HWB

hwb(236.2, 11.4%, 51.8%)

Harmony colors

Complementary

#7b751d

Analogous

#1d527b

#1d237b

#461d7b

Triadic

#1d237b

#7b1d23

#237b1d

Split-complementary

#1d237b

#7b461d

#527b1d

Tetradic

#1d237b

#751d7b

#7b751d

#237b1d

Square

#1d237b

#7b1d52

#7b751d

#1d7b46

Shades

Color #1d237b mixed toward black.

#181d66

#131752

#0f113d

#0a0c29

#050614

Tints

Color #1d237b mixed toward white.

#2831ab

#3e47d1

#6e75dd

#9ea3e8

#cfd1f4

Tones

Color #1d237b mixed toward gray.

#252a73

#2d316b

#353763

#3c3e5c

#444554

Accessibility

Aa White text on this color

13.3:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#20206d · ΔE 2.4

Deuteranopia

#1f1f6a · ΔE 2.9

Tritanopia

#1d615e · ΔE 33.2

Achromatopsia

#2f2f2f · ΔE 25.5

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

Code

CSS

background-color: #1d237b;

Tailwind (arbitrary value)

bg-[#1d237b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1d237b (#1d237b) is rgb(29, 35, 123) in RGB.

No, #1d237b is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #1d237b, or check how it holds up for accessibility.

Generate a palette → Check contrast