#1d3aa6

Color #1d3aa6

A vivid, highly saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 16.92 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.5

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

Conversions

HEX

#1d3aa6

RGB

rgb(29, 58, 166)

HSL

hsl(227.3, 70.3%, 38.2%)

HSV / HSB

hsv(227.3, 82.5%, 65.1%)

CMYK

cmyk(82.5%, 65.1%, 0%, 34.9%)

LAB

lab(29.51, 30.88, -60.8)

LCH

lch(29.51, 68.19, 296.93)

OKLCH

oklch(40.4%, 0.1765, 266.36)

HWB

hwb(227.3, 11.4%, 34.9%)

Harmony colors

Complementary

#a6891d

Analogous

#1d7ea6

#1d3aa6

#441da6

Triadic

#1d3aa6

#a61d3a

#3aa61d

Split-complementary

#1d3aa6

#a6441d

#7ea61d

Tetradic

#1d3aa6

#891da6

#a6891d

#3aa61d

Square

#1d3aa6

#a61d7e

#a6891d

#1da644

Shades

Color #1d3aa6 mixed toward black.

#18308a

#13276f

#0e1d53

#0a1337

#050a1c

Tints

Color #1d3aa6 mixed toward white.

#254ad3

#4c6be0

#7990e8

#a6b5ef

#d2daf7

Tones

Color #1d3aa6 mixed toward gray.

#28419a

#34478f

#3f4e84

#4b5478

#565b6d

Accessibility

Aa White text on this color

9.51:1

Aa Black text on this color

2.21:1

White text reads better on this background (9.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c95 · ΔE 5

Deuteranopia

#2a2890 · ΔE 6.1

Tritanopia

#1f8581 · ΔE 38.1

Achromatopsia

#464646 · ΔE 27

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

Code

CSS

background-color: #1d3aa6;

Tailwind (arbitrary value)

bg-[#1d3aa6]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1d3aa6 (#1d3aa6) is rgb(29, 58, 166) in RGB.

No, #1d3aa6 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 #1d3aa6, or check how it holds up for accessibility.

Generate a palette → Check contrast