#1d3aa8

Color #1d3aa8

A vivid, highly saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 16.72 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.2

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

Conversions

HEX

#1d3aa8

RGB

rgb(29, 58, 168)

HSL

hsl(227.5, 70.6%, 38.6%)

HSV / HSB

hsv(227.5, 82.7%, 65.9%)

CMYK

cmyk(82.7%, 65.5%, 0%, 34.1%)

LAB

lab(29.7, 31.64, -61.7)

LCH

lch(29.7, 69.34, 297.15)

OKLCH

oklch(40.6%, 0.1791, 266.38)

HWB

hwb(227.5, 11.4%, 34.1%)

Harmony colors

Complementary

#a88b1d

Analogous

#1d7fa8

#1d3aa8

#451da8

Triadic

#1d3aa8

#a81d3a

#3aa81d

Split-complementary

#1d3aa8

#a8451d

#7fa81d

Tetradic

#1d3aa8

#8b1da8

#a88b1d

#3aa81d

Square

#1d3aa8

#a81d7f

#a88b1d

#1da845

Shades

Color #1d3aa8 mixed toward black.

#18308c

#132770

#0e1d54

#0a1338

#050a1c

Tints

Color #1d3aa8 mixed toward white.

#2549d4

#4d6ce0

#7990e8

#a6b5f0

#d2daf7

Tones

Color #1d3aa8 mixed toward gray.

#29419c

#344791

#404e85

#4b557a

#575c6e

Accessibility

Aa White text on this color

9.45:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c96 · ΔE 5

Deuteranopia

#2a2892 · ΔE 6.1

Tritanopia

#1f8783 · ΔE 38.5

Achromatopsia

#464646 · ΔE 27.1

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

Code

CSS

background-color: #1d3aa8;

Tailwind (arbitrary value)

bg-[#1d3aa8]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1d3aa8 (#1d3aa8) is rgb(29, 58, 168) in RGB.

No, #1d3aa8 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 #1d3aa8, or check how it holds up for accessibility.

Generate a palette → Check contrast